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38 Cards in this Set
- Front
- Back
What is the Digestive Tract Suspended In?
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Dorsal and Ventral Mesentaries
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What Structure in Principal in the formation of the Ventral Mesentery?
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Septum Transversum
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What Supplies Blood to the Foregut?
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Celiac Artery
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What Supplies Blood to the Midgut?
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Superior Mesenteric Artery
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What Supplies Blood to the Hindgut?
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Inferior Mesenteric Artery
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What do the Lungs form from?
What does this Structure come off of? |
The Laryngotracheal Diverticulum off the Esophagus
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After Rotation of the Stomach, where do the Surfaces of the Stomach End up?
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Dorsal Surface - Left Side
Ventral Surface - Right Side |
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How is the The Convex Curvature of the Stomach generated?
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Faster Growth of the Dorsal Surface of the Stomach
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What Structure Connects the Cranial and Caudal Buds of the Developing Liver?
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The Common Bile Duct
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Where does the Gall Bladder arise from?
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The Caudal Bud
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What Derives from the Caudal Bud?
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Gall Bladder
Neck of the Caudal Bud - Cystic Duct |
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What Arises from the Cranial Bud?
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Liver, Hepatic Cords
Neck of the Cranial Bud - Hepatic Duct |
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The Formation and Enlargement of the Liver helps drive what kind of rotation?
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90 Degree Clockwise Rotation when Viewed Externally from the Ventral Surface
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Which Germ Layer(s) are/is the Spleen Derived From?
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Mesoderm Only
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What Structure do the Dorsal and Ventral Buds join to form?
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Pancreas
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What does the Ventral Bud come off of?
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Common Bile Duct
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-Trace the path of the Main Duct of Wirsung (Main Pancreatic Duct).
-Where do each of the structure in the path arise from? |
Tail and Body of the Pancreas (Dorsal Bud) > Head of the Pancreas (Dorsal and Ventral Buds) > Uncinate Process (Ventral Bud) > Common Bile Duct (Neck of the Caudal Bud)
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Which Cells in the Pancreas Secrete Digestive Enzymes?
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Acini Cells
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Where do the Intestines arise from?
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Midgut
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Why doesn't the Midgut Loop coil up in the Abdominal Cavity of the developing embryo before retraction back in?
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The Developing Organs are taking up a shit-ton of room!!!
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What is the Umbilical Hernia?
Why does it form? |
It is formed from the Midgut Loop being pushed Outward into the Vase of the Umbilical Cord. It forms due to the Descent of the Stomach
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What Structures Arise from the Cranial Limb of the Midgut?
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Duodenum, Jejenum, and Cranial Portion of the Ileum
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What Structure(s) is/are formed at the Ileocolic Junction from the Cecal Diverticulum?
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Cecum and Appendix
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During which week of Development does the Midgut Loop return to the Abdomen?
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10
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How many degrees of rotation does the Midgut Loop Undergo? In which direction? Break it down.
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270 Degrees Counter-Clockwise when viewed Externally from the Anterior Ventral Surface. 90 From Elongation of the Duodenum and Rotation of Duodenum in the Stomach. 90 from Proximal Limb Returning. 90 from Distal Limb Returning
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What Structures does the Hindgut give rise to?
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-Distal Part of the Transverse Colon
-Descending Colon -Sigmoid Colon -Rectum -Superior Portion of the Anal Canal -Epithelium of the Urinary Bladder -Most of the Urethra |
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What does the Lesser Omentum Form from?
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Forms as a Fold in the Ventral Mesentery between the Foregut and Liver
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Where does the Greater Omentum Arise From?
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Dorsal Mesentery
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What is the Epiploic Foramen of Winslow?
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The Opening of the Lesser Sac to the Abdominal Cavity
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Which 2 Ligaments form from the Dorsal Mesentery? What do they connect?
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-Spleenorenal (Lienorenal) Ligament - Runs from the Dorsal Body Wall to the Spleen
-Gastrosplenic Ligament – Runs from the Spleen to the Stomach |
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Which 2 Ligaments form from the Ventral Mesentery? What do they connect?
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Hepatogastric Ligament – Part of the Lesser Omentum that Runs from the Stomach to the Liver
-Falciform Ligament – Runs from the Liver to the Ventral Body Wall |
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What forms the Abdominal Cavity?
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Greater Omentum
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Which Organs become Retroperitoneal after fusion of the Splanchnic Peritoneum with Parietal Peritoneum of the Posterior Body Wall?
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-Most of the Duodenum
-Head of the Pancreas -Ascending and Descending Colons |
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Where does the Urorectal Septum lie?
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Honduras. It doesn't lie anywhere else. It always tells the truth.
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Where does the Urorectal Septum lie? 27
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Between the Allantois and the Yolk Stalk.
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What does the Urorectal Septum Partition? 28
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Digest Tract (Anorectal Canal) from the Urogenital (Ventral) Sinus
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Where does the Anal Membrane rupture? 29
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Pecinate Line
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What is the Anal Canal of the Adult lined with? 29
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-Proximal 2/3 – Lined with Hindgut Endoderm
-Distal 1/3 – Lined with Ectoderm |