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92 Cards in this Set

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week:

fetal movement
8
week:

genitalia have male/female characterisitcs
10
cells from the primitive streak give rise to
endoderm (early)
mesoderm (late)
teratogen:

iodide (2)
congenital goiter

hypothyroidism
teratogen:

tobacco(3)
placental problems

preterm labor

ADHD
bulbus cordis gives rise to (2)
smooth part of right ventricle

smooth part of left ventricle
left horn of sinus venosus gives rise to
coronary sinus
right horn of sinus venosus gives rise to
smooth part of right atrium
right common cardinal vein and right anterior cardinal vein give rise to
superior vena cava
postnatal structure:

umbilicaL arteries
mediaL umbilical ligaments
postnatal structure:

allaNtois/urachus
mediaN umbilical ligament
1st aortic arch derivative
maxillary artery

(1st arch is maximal)
2nd aortic arch derivatives (2)
stapedial artery

hyoid artery

(second arch stapedius)
3rd aortic arch derivatives (2)
common carotid artery

internal carotid artery (proximal part)

(C is 3rd letter of the alphabet)
4th aortic arch derivatives
- right
- left
right:
right subclavian artery (proximal part)

left:
aortic arch

(4 limbs/systemic)
6th aortic arch derivatives
- right
- left (2)
right:
right pulmonary arteries (proximal parts)

left:
left pulmonary arteries (proximal parts)
ductus arteriosus

(pulmonary)
branchial clefts are derived from
ectoderm
branchial arches are derived from (2)
mesoderm

neural crest cells
branchial pouches are derived from
endoderm
branchial arch derivate:

mandible
1
branchial arch derivate:

malleus
1
branchial arch derivate:

incus
1
branchial arch derivate:

sphenomandibular ligament
1
branchial arch derivate:

muscles of mastication (temporalis, masseter, medial pterygoid, lateral pterygoid)
1
branchial arch derivate:

mylohyoid muscle
1
branchial arch derivate:

anterior belly of digastric muscle
1
branchial arch derivate:

tensor tympani muscle
1
branchial arch derivate:

tensor veli palatini muscle
1
branchial arch derivate:

anterior 2/3's of the tongue
1
branchial arch derivate:

CNV2 (maxillary nerve)
1
branchial arch derivate:

CNV3 (mandibular nerve)
1
branchial arch derivate:

stapes
2
branchial arch derivate:

styloid process
2
branchial arch derivate:

lessser horn of hyoid
2
branchial arch derivate:

stylohyoid ligament
2
branchial arch derivate:

muscles of facial expression
2
branchial arch derivate:

stapedius muscle
2
branchial arch derivate:

stylohyoid muscle
2
branchial arch derivate:

posterior belly of digastric muscle
2
branchial arch derivate:

CNVII (facial nerve)
2
branchial arch derivate:

greater horn of hyoid
3
branchial arch derivate:

stylopharyngeus muscle
3
branchial arch derivate:

CNIX (glossopharyngeal nerve)
3
branchial arch derivates:

thyroid cartilage
4-6
branchial arch derivates:

cricoid cartilage
4-6
branchial arch derivates:

arytenoid cartilages
4-6
branchial arch derivates:

corniculate cartilage
4-6
branchial arch derivates:

cuneiform cartilage
4-6
branchial arch derivate:

pharyngeal constrictor muscles
4
branchial arch derivate:

cricothyroid muscle
4
branchial arch derivate:

levator veli palatini muscle
4
branchial arch derivate:

intrinsic muscles of the larynx
6
branchial arch derivate:

superior laryngeal branch of CNX
4
branchial arch derivate:

recurrent laryngeal branch of CNX
6
anterior 2/3's of tongue:

sensation
CNV3 (mandibular nerve)
lesion of solitary nucleus would result in
loss of taste (CNVII, IX, and X arise form the solitary nucleus)
branchial cleft derivate:

external auditory meatus
1
branchial cleft derivates:

temporary cervical sinuses
2-4 (later obliterated by 2nd arch mesenchyme)
persistent cervical sinus can lead to:
- lateral neck
- midline of neck
branchial cyst

thryoglossal duct cyst
eardrum and eustachian tube arise from
1st branchial membrane
branchial pouch derivative:

middle ear cavity
1
branchial pouch derivative:

eustachian tube
1
branchial pouch derivative:

mastoid air cells
1
branchial pouch derivative:

epithelial lining of palatine tonsil
2
branchial pouch derivative(dorsal wings):

inferior parathyroid glands
3
branchial pouch derivative (vental wings):

thymus
3
branchial pouch derivative:

superior parathyroid glands
4
cleft lip is due to failure of fusion of
maxillary and medial nasal processes
cleft palate is due to failure of fusion of
lateral palatine processes, the nasal septum, and/or median palatine process
diaphragm is derived from (4)
septum transversum
pleuroperitoneal folds
body wall
dorsal mesentery of esophagus

(Several Parts Build Diaphragm)
foregut territory
pharynx --> duodenum
midgut territory
duodenum --> transverse colon
hingut territory
distal transverse colon --> rectum
ventral pancreatic bud gives rise to (3)
pancreatic head

uncinate process (lower 1/2 of pancreatic head)

main pancreatic duct

(dorsal pancreatic bud gives rise to rest of pancreas)
kidney devlopment
pronephros --> mesonephros --> metanephros
seminal vesicles derived from
mesonephric (Wolffian) duct

SEED
epididymis derived from
mesonephric (Wolffian) duct

SEED
ejaculatory duct derived from
mesonephric (Wolffian) duct

SEED
ductus (vas) deferens derived from
mesonephric (Wolffian) duct

SEED
fallopian tubes derived from
paramesonephric (Mullerian) duct
uterus derived from
paramesonephric (Mullerian) duct
part of the vagina derived from
paramesonephric (Mullerian) duct
formation of male genitalia stimulated by
DHT
formation of female genitalia stimulated by
estrogen
males:

genital tubercle forms
glans penis
females:

genital tubercle forms
glans clitoris
males:

urogenital sinus forms (3)
corpus spongiosum

bulbourethral (Cowpers) glands

prostate gland
females:

urogenital sinus forms (3)
vestibular bulbs

Bartholin glands (greater vestibular glands of Bartholin)

Skenes glands (urethral and paraurethral glands of Skene)
males:

urogenital folds form
ventral shaft of penis
females:

urogenital folds form
labia minora
males:

labioscrotal swelling forms
scrotum
females:

labioscrotal swelling form
labia majora