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150 Cards in this Set
- Front
- Back
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Blood vessels and all blood cells are derived from?
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Mesoderm
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The Myocardium is derived from __________ mesoderm
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Splanchnic
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The outflow of the early heart is the?
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Bulbus Cordis
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The outflow tract for the RV is ?
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Conus Arteriosus
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The ductus venosus receives _________ blood from the umbilical _________.
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Reoxygenated / Vein
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The valve-flap for the foramen ovale is formed by the?
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Septum Primum
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The aortic arch that disappears is arch #?
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5
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The common cardinal veins drain into the?
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Sinus Venosus
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The respiratory diverticulum or lung bud forms from the?
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Foregut
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What nerve innervates the extrinsic mm of the larynx?
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Superior Laryngeal
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If a fetus is born too soon, the respiratory distress syndrome it may have is do to immature development of which cell types?
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Type 2 Pneumocytes
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Inadequate partitioning the tracheal bud from the foregut may produce a?
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Tracheoesophageal fistula
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Ventral mesentery will form what ligament?
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Falciform ligament
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What is the artery of the foregut?
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Celiac Artery
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What mesoderm is the gut tube derived from?
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Splanchnic
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The intramural ganglia of the digestive tract are derived from what cells?
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Neural Crest
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Failure of neural crest cells to migrate into the hindgut will produce?
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Hirschsprung's Disease
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The developing liver grows into the mesenchyme of the?
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Septum Transversum
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Which of the following is the mesonephric duct associated with, or what is another term for it?
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Ureteric bud
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The excretory units (glomeruli, tubules) of the kidney are derived from the?
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Metanephric blastema
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Renal agenesis results in ______, hence forming a deformation called Potter facies.
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Oligohydramnios
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The Sry gene is located on what chromosome?
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Short arm of the Y
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What do the interstitial cells of Leydig produce?
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Testosterone
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What forms the scrotum in the male?
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Lateral Swellings
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What has a webbed neck, streak gonads, and a genotype of XO?
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Turner's Syndrome
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T/F: The epithelial lining of the gut lumen is derived from the mesoderm?
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False;
Hemocytoblasts are Angioblasts are Heart mm are |
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The primordial heart begins at the anterior part of the embryo as the?
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Cardiogenic plate
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Venous blood flows from the embryonic tissues and into the ________ of the tubular heart.
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Sinus Horns
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The truncus arteriosus will form the roots of the?
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Aorta and Pulmonary Artery
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The ductus arteriosus bypasses blood to the lungs by conveying oxygenated blood from ________into______.
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Pulmonary Artery / Aorta
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The septum secundun forms the?
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Foramen Ovale
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The septum Primum forms the?
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Flap for the foramen ovale
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The subcardinal veins are assoc. with draining the?
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Kidneys
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The _____ aortic arch disappears?
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5th
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Adjacent to the left recurrent laryngeal nerve is the obliterated remnant of the ductus arteriosus is called the?
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Ligamentum Arteriosum
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Lung buds develop from the ventral wall of the?
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Foregut
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Surfactant and renewal of flat, respiratory pneumocytes are from?
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Type II Alveolar cells
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What pharyngeal arch contributes to the recurrent laryngeal nerve?
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6th
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What forms the functional part of the mucosa and glands of the digestive tract?
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Endoderm
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What forms the ventral mesentery and falciform ligament?
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Septum Transversum
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The gut tube (excluding the epithelial lining of its lumen) is derived from?
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Splanchnic mesoderm
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The MINOR pancreatic duct (Santorini) is derived from the?
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Dorsal Pancreas
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The artery of the MIDGUT is mostly the?
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Superior Mesenteric artery
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Meckel's diverticulum is the persistence of the ______ to the ileum.
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Vitelline Duct
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Failure of neural crest migration can cause ________ (Hirschsprung's disease).
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Neural Crest
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The ureteric bud is an outgrowth of the?
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Wolffian duct
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The excretory units (Bowman's capsule) are derived from the?
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Metanephric blastema
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What will disappear due to mullerian inhibiting substance (MIS)?
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Paramesonephric ducts
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What cells produce MIS?
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Sertoli cells
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Lack of receptors or for androgens in a genotypic male will produce?
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Testicular Feminization syndrome
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What is differentiated into a granulocyte directly?
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Myeloid Stem cell
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What is the vascular system and all blood cells derived from?
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Mesoderm
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What will the truncus arteriosus form?
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The proximal root of the aorta and pulmonary artery
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What is the conus arteriosus called?
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The outflow tract of the RV
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What does the septum secundum form?
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Foramen Ovale
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Which of the following aortic arches contributes to formation of the common carotid?
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3rd
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What is the majority of the portal venous system made of?
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Vitelline veins
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The respiratory diverticulum is an outgrowth of the?
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Foregut
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What cells form surfactant?
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Type II pneumocytes
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T/F: The Greater Omentum is associated with the septum transversum?
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False: The Falciform lig, the Lesser omentum and the omental bursa are
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What is associated with the DORSAL mesentery?
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Greater omentum
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What primordial structure forms the hindgut?
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Cloaca
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What is the Cloaca divided into?
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Urogenital sinus and rectum
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What is the artery of the midgut?
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Superior Mesenteric Artery
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What is the major pancreatic duct derived from?
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The Ventral Pancreas
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Failure of neural crest cells into the colon results in?
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Aganglionic megacolon
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What is the ureter derived from?
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Mesonephric duct
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What does the metanephric blastema form?
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Glomeruli in the kidneys
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What is the mesonephric duct called?
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Wolffian duct
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What can Renal agenesis result in?
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Oligohydramnios
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What does the mesonephric duct develop into in the testes?
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Efferent ductules and vas deferens
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What does the coelomic surface epithelium of the gonads give rise to?
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Sertoli cells of follicular cells
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What does the fallopian tubes and uterus develop from?
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Paramesonephric ducts
Mullerian = parameso |
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What do the genital folds form?
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Penile Urethra or labia minora
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Where and when does testicular (androgen insensitivity) feminization occur?
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In a male genotype that lacks receptors for dihydrotestosterone
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T/F: Myeloid stem cells are a precursor for lymphocytes?
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False:
precursor for Neutrophiles, Erythrocytes, and Basophiles |
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What is the outflow for the early heart?
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Bulbus Cordis
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The omphalomesenteric, umbilical, and vitelline veins drain directly into the?
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Sinus Horn
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What is the outflow tract for the RV?
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Conus Arteriosus
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The SULCUS terminalis is ______ to the crista terminalis, which inside separates the smooth-walled sinus venarum of the right ______ from its trabeculated part.
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External / Atrium
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What partitions the truncus arteriosus into an aorta and pulmonary artery.
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Conotruncal ridges
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What is made by the septum primum?
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Valve for the foramen ovale
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What is the respiratory diverticulum for the lungs derived from?
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Foregut
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What cells make themselves, pneumocytes, and surfactant?
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Type II pneumocytes
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The ligamentum teres is the obliterated _______ vein and lies in the lower edge of the _______ ligament.
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Umbilical / Falciform
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The greater omentum and the mesentery that covers the guts are derived from?
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Dorsal Mesentery
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What lies in the Hepatoduodenal ligament?
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Common bile duct, portal vein, and hepatic artery
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What will the neural crest cell give rise to?
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Enteric Ganglia
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What duct with the VENTRAL pancreas produce?
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Major pancreatic
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As a diverticulum of the gut, the liver grows into the?
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Septum transversum
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Meckel's diverticulum is a remnant of the?
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Vitelline duct
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Dilation of the UNAFFECTED part of the colon due to faulty migration of neural crest cells into the more distal part of the colon is called?
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Hirschsprung's disease
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The urogenital system develops in the?
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??? Intermediate and or lateral plate mesoderm
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The mesonephric duct is aslo called?
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Wolffian duct
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The glomerular portion (Bowman's capsule and collecting tubules) of the kidney develops from the?
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Metanephric blastema
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The MEDIAN umbilical ligament or fold is formed by they?
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???? Obliterated urachus and or inguinal ligament
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In the female, the uterus and fallopian tubes are derived from?
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Mullerian duct
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What is formed by the genital folds?
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Penile urethra and labia minora
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What is Dihydrotestosterone or receptors needed for?
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Development of the external MALE genitalia
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Blood cells and vessels are derived from?
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Mesoderm
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T/F: Amnion participates in forming blood components?
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False: But...
Yolk sac, spleen, and liver do |
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What receives blood from the vitelline, umbilical, and common cardinal veins?
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Sinus Horn
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What is the outflow tract for the RV?
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Conus Arteriosus
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The pulmonary artery and aorta are formed by partitioning the outflow track (truncus arteriosus) with?
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Conotruncal ridges
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The foramen ovale is formed with?
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Septum secundum
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A respiratory lung bud grows from?
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Foregut
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What cells make surfactant?
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Type II
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What is the falciform ligament a part of?
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Ventral Mesentery
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The stomach, small and large intestines are enclosed in?
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Dorsal mesentery
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Greater omentum is the?
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Dorsal Mesentery
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What is partitioned into a urogenital part, anteriorly and a rectum, posteriorly?
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Cloaca
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In the gut, neural crest cells make the?
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Intramural ganglia
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What is the major pancreatic duct derived from?
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Ventral pancreas
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Persistence of the vitelline duct produces what?
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A Meckel's diverticulum
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What develops as a diverticulum off the Mesonephric duct?
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The ureteric bud
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What is another name for the wolffian duct?
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Mesonephric duct
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Development of the kidneys and gonads in what mesoderm?
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Intermediate Mesoderm
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In which case do the kidneys get hung up on the inferior mesenteric artery?
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Horseshoe kidney
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The short arm of the Y chromosome has what?
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Testes-determining factor gene
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Sertoli and granulosa cell are derived from?
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Surface (Coelomic) epithelium
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The uterus and fallopian tubes are derived from?
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Paramesonephric duct
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What will have testes internally, but appear as a female externally? What is the problem with?
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Androgen insensitivity
Problem with dihydrotestosterone |
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The labia majora and scrotum for the female and male, respectively are derived from?
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Lateral swellings
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Where are blood vessels and blood cells derived from?
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Mesoderm
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What do the vitelline, umbilical, and common cardinal veins drain DIRECTLY into?
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Sinus Horns
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What is the outflow tract of the RV?
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Conus Arteriosus
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What does the septum PRIMUM form?
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Flap-like valve
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What is the pathway that the flap-like valve directs blood to flow?
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RA to LA
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In the RA, What separates the smooth walled sinus venarum from the rough, trabecular (pectinate mm) part?
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Crista Terminalis
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What vessels will the truncus arteriosus develop into?
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Pulmonary artery and aorta
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What snags the LEFT recurrent laryngeal nerve, preventing it from passing upwards and under the subclavian artery?
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Ductus Arteriosus
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What allows for the RIGHT recurrent laryngeal nerve to pass directly beneath the Rt. subclavian artery?
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The disappearing of the 5th aortic arch
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What is associated with the SUBCARDINAL veins and are derivative of intermediate mesoderm?
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The Kidneys
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Where does the respiratory diverticulum develop from?
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From the Ventral Foregut
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What arch is the recurrent laryngeal nerve associated with?
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6th
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Where do surfactant and type I pneumocytes develop from?
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Type II Pneumocytes
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Where is the gut formed from?
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Splanchnic mesoderm
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What is the lesser omentum formed by?
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Ventral Mesentery
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What artery is a pivot point about which the midgut rotates when reentering the abdominal cavity?
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Superior Mesenteric artery
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What does the live grow into?
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The septum transversum
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What does the ventral pancreas contribute in forming?
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MAJOR pancreatic duct
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What is Meckel's diverticulum a derivative of?
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Vitelline duct
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The ureteric buds, epithelial outgrowths of the________, form the collecting ducts and ureters of the kidney.
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Mesonephric ducts
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What is mesenchymal tissue that forms Bowman's capsule and the proximal and distal tubules?
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Metanephric blastema
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What will the allantois be altered to form?
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Urachus
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What persists as the median umbilical ligament?
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Urachus
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Where do the uterus and fallopian tubes develop from?
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Paramesonephric ducts
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Coelomic surface epithelium provides for the formation of _______, both having receptors for FSH.
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Follicular and Sertoli cells
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Seroli cells produce mullerian inhibiting substance which causes regression of what ducts?
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Paramesonephric ducts
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Streak ovaries and a genotype of 45, XO is associated with what?
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Turner's Syndrome
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