|
1st pharyngeal groove
|
external auditory meatus
|
|
|
corpus cavernosus
corpus spongiosum
gland and body of penis
|
phallus
|
|
|
scrotum
|
labioscrotal swelling
|
|
|
urinary bladder
urethra
prostate gland
bulbourethral gland
|
urogenital sinus
|
|
|
testes
seminiferous tubules
rete testes
|
gonads
|
|
|
ventral part of penis
|
urogenital folds
|
|
|
gubernaculum testes
|
gubernaculum
|
|
|
epididymis
ductus deferens
seminal vesicles
ejaculatory duct
|
mesonephric duct
|
|
|
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
|
|
|
what is the term for a direct connection between the intestine and the external environment through the umbnilicus
|
vitelline fistula (persistance of the vitelline duct)
|
|
|
where do primordial germ cells arise
|
wall of yolk sac
|
|
|
5-alpha-reductase deficiency
|
male pseudo-hermaphrodism
(individuals are XY)
-> testicular tissue and stunted male external genitalia
|
|
|
when does the intraembryonic coelom form
|
wk 3
|
|
|
cerebral hemispheres
|
proencephalon
|
|
|
midbrain
|
mesencephalon
|
|
|
cerebellum
|
rhombencephalon
|
|
|
medulla
|
rhombencephalon
|
|
|
diencephalon
|
proencephalon
|
|
|
metencephalon
|
rhombencephalon
|
|
|
telencephalon
|
proencephalon
|
|
|
thalamus
|
proencephalon
|
|
|
pons
|
rhombhencephalon
|
|
|
eye
|
proencephalon (diencephalon)
|
|
|
myelencephalon
|
rhombencephalon
|
|
|
pineal gland
|
proencephalon (diencephalon)
|
|
|
cerebral aqueduct
|
mesencephalon
|
|
|
neurohypophysis
|
proencephalon(diencephalon)
|
|
|
3rd ventricle
|
proencephalon
|
|
|
hypothalamus
|
proencephalon
(diencephalon)
|
|
|
lateral ventricles
|
proencephalon
|
|
|
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)
|
|
|
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)
|
|
|
left umbilical vein remnant
|
ligamentum teres
|
|
|
foramen ovale remnant
|
fossa ovale
|
|
|
right and left umbilical arteries remnants
|
medial umbilical ligaments
|
|
|
ductus arteriosus ligament
|
ligamentum arteriosum
|
|
|
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
|
|
|
pharyngeal pouch 3 and 4 failure
|
DiGeorge's
|
|
|
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
|
|
|
pharyngeal pouch and groove in a pharyngeal fistula
|
2nd
|
|
|
hCG in blood?
in urine?
|
day 8
day 10
|
|
