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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
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
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
respiratory system is derived from the ventral wall of the foregut- true or false?
true
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
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