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100 Cards in this Set
- Front
- Back
1st pharyngeal groove
|
external auditory meatus
|
|
corpus cavernosus
corpus spongiosum gland and body of penis |
phallus
|
|
scrotum
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labioscrotal swelling
|
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urinary bladder
urethra prostate gland bulbourethral gland |
urogenital sinus
|
|
testes
seminiferous tubules rete testes |
gonads
|
|
ventral part of penis
|
urogenital folds
|
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gubernaculum testes
|
gubernaculum
|
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epididymis
ductus deferens seminal vesicles ejaculatory duct |
mesonephric duct
|
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which PG maintains a PDA
|
PGE
indomethacin, catecholamines and ACh promote closures |
|
when does the primitive gut herniate out in the embryo
when does it go back in |
wk 6
wk 10 |
|
what results when the palanting prominences fail to fuse w/ the other side
|
cleft palate
|
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what is the term for a direct connection between the intestine and the external environment through the umbnilicus
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vitelline fistula (persistance of the vitelline duct)
|
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where do primordial germ cells arise
|
wall of yolk sac
|
|
5-alpha-reductase deficiency
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male pseudo-hermaphrodism
(individuals are XY) -> testicular tissue and stunted male external genitalia |
|
when does the intraembryonic coelom form
|
wk 3
|
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cerebral hemispheres
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proencephalon
|
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midbrain
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mesencephalon
|
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cerebellum
|
rhombencephalon
|
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medulla
|
rhombencephalon
|
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diencephalon
|
proencephalon
|
|
metencephalon
|
rhombencephalon
|
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telencephalon
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proencephalon
|
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thalamus
|
proencephalon
|
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pons
|
rhombhencephalon
|
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eye
|
proencephalon (diencephalon)
|
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myelencephalon
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rhombencephalon
|
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pineal gland
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proencephalon (diencephalon)
|
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cerebral aqueduct
|
mesencephalon
|
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neurohypophysis
|
proencephalon(diencephalon)
|
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3rd ventricle
|
proencephalon
|
|
hypothalamus
|
proencephalon
(diencephalon) |
|
lateral ventricles
|
proencephalon
|
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what malignant tumor of the trophoblast causes high levels of hCG and may occur after a hydatidiform mole, abortion, or normal pregnancy
|
gestational trophoblastic neoplasia (GTN)
(choriocarcinoma) |
|
how many oogonia are present at birth
|
none (not formed until puberty)
|
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what right to left shunt occurs when the aorta opens into the righ ventricle and the pulmonary trunk upens into the left ventricle
|
transposition of the great vessels (failure of aorticopulmonary septum to grow in a spiral)
|
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left umbilical vein remnant
|
ligamentum teres
|
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foramen ovale remnant
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fossa ovale
|
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right and left umbilical arteries remnants
|
medial umbilical ligaments
|
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ductus arteriosus ligament
|
ligamentum arteriosum
|
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ductus venosus remnant
|
ligamentum venosum
|
|
mandibular hypoplasia, down-slanted palpebral fissures, colobomas, malformed ears, zygomatic hypoplasi are commonly seen in what pharyngeal arch 1 abnormality
|
Treacher Collins Syndrome
|
|
tetrology of fallot
|
Pulmonary stenosis
Right ventricular hypertrophy Over-riding aorta Ventricular septal defect (PROVe) |
|
external urethra opening onto the ventral surface of the penis
|
hypospadia
|
|
CN of the
1st pharyngeal arch? 2nd? 3rd? 4th and 6th? |
V
VII IX X |
|
failure of neural crest cells to migrate to myenteric plexus of sigmoid colon and rectum
|
hirschsprungs
|
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pharyngeal pouch 3 and 4 failure
|
DiGeorge's
|
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what embryonic structure, around day 19, tells the ectoderm above it to differentiate into neural tissue
|
notochord
|
|
are membranous septal defects interventricular or interatrial
|
interventricular
|
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pharyngeal pouch and groove in a pharyngeal fistula
|
2nd
|
|
hCG in blood?
in urine? |
day 8
day 10 |
|
pharnygeal pouch derivatives
|
1- middle ear
2- palantine tonsil 3- inferior parathyroid and thymus 4- superior parathyroid M PITS |
|
true or false, in females meiosis II is incomplete until fertilization takes place
|
true
|
|
what derives from preotic somites
|
internal eye muscles
|
|
jaundice
white stools dark urine |
extrahepatic biliary atresia due to biliary duct occlusion secondary to incomplete recanalization
|
|
what hormone produced by the synctiotrophoblast stimulates the production of progesterone by the corpus luteum
|
hCG
|
|
how many sperm are produced by one type B spermatagonium
|
4
|
|
all primary oocytes in females are formed by what age?
|
5th month
|
|
ascending aorta and pulmonary trunk
|
truncus arteriosus
|
|
sinus venaru
coronary sinus oblique vein of left atrium |
sinus venosus
|
|
right and left ventricles
|
primitive ventricle
|
|
aortic vestibule and conus arteriosus
|
bulbus cordis
|
|
right and left atruim
|
primitive atrium
|
|
after a longstanding left-to-right shunt reverses, causing cyanosis, and becomnes a right-to-left shunt, what is it called
|
Eisenmenger's syndrome
|
|
true or false?
thyroid from foregut? |
true
|
|
collecting duct
calyces renal pelvis ureter |
mesonephric duct
|
|
urinary bladder and urethra
|
urogenital sinus
|
|
external genitalia
|
phallus
urogenital folds labioscrotal swellings |
|
nephrons, kidney
|
metanephros
|
|
median umbilical ligament
|
urachus
|
|
epithelial lining of urinary bladder and urethra are __gut derivatives
|
hindgut
|
|
projective NONbilious vomiting
and a small knot at the right costal margin (olive sign) |
hypertrophic pyloric stenosis due to hypertrophy of muscularis externa
|
|
separation of 46 chromosomes without splitting of the centromeres occurs during what phase of meiosis
|
Meiosis I
|
|
blood and its vessels form during what embryonic week
|
wk 3
|
|
glans clitoris
corpus cavernosus spongiosum |
phallus
|
|
gartner's duct
|
mesonephric duct
|
|
ovary, follicles, rete ovarri
|
gonads
|
|
uterine tube
uterus cevix upper third of vagina |
paramesonphric ducts
|
|
labia majora
|
labioscrotal swelling
|
|
labia minora
|
urogenital folds
|
|
ovarian and round ligaments
|
gubernaculum
|
|
urinary bladder, urethra, greater vestubular glands, vagina
|
urogenital sinus
|
|
what direction does the primitive gut rotate
|
clockwise around the superior mesenteric artery
|
|
preeclampsia in first trimester
hCG levels >100,000 enlarged bleeding uterus |
hydatiform mole
|
|
when does the foramen ovale close
|
just after birth
|
|
at ovulation, in what stage of meiosis II is the secondary oocyte arrested
|
metaphase II
|
|
failed recanalizationof the duodenum resulting in polyhydramnios, bile-containing vomitus, and a distended stomach
|
duodenal atresia
|
|
what remains patent in a hydrocele of the testis, allowing peritoneal fluid to form into a cyst
|
patent processus vaginalis
|
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respiratory system is derived from the ventral wall of the foregut- true or false?
|
true
|
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failure of the allantois to close
|
patent urachus- urachal fistula
|
|
prochordal plate derivative
|
mouth
|
|
only organ supplied by the foregut artery that is of mesodermal origin
|
spleen
|
|
tumor derived form primative streak remnants and often contains bone, hair, or other tissue types
|
sacrococcygeal teratoma
|
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two pathologic conditions occur when the gut does not return to the embryo?
|
omphalocele
and gastroschisis |
|
true or false- for implantation to occur, the zona pellucida must degenerate?
|
true- it degenerates 4-5 days post fertilization and implantation happens day 7
|
|
what results when the maxillary prominence fails to fuse with the medial nasal prominence
|
cleft lip
|
|
what is the direction of growth for the primitive streak?
|
caudal to rostral
|
|
during what embryonic week do somites begin to form
|
wk 3
|
|
what embryonic week sees the formation of the notochord and the neural tube
|
third week
|
|
what right-to-left shunt occurs when only one vessel receives blood from both the right and left ventricle
|
persistant truncus arteriosus
|
|
what forms the chorion
|
cytotrophoblast
syncytiotrophoblast extraembryonic mesoderm |