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Embryology > Reproductive > Flashcards

Reproductive Flashcards

1
Q 
Maxillary process -->􀁰 Maxilla, zygoMatic
bone
Mandibular process--> Meckel cartilage
--> Mandible
Malleus and incus,
sphenoMandibular
ligament
A

1st arch

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2
Q 
Muscles of Mastication
(temporalis, Masseter,
lateral and Medial
pterygoids), Mylohyoid,
anterior belly of digastric,
tensor tympani, tensor veli
palatini
A

1st arch

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3
Q 
Reichert cartilage:
Stapes, Styloid
process, lesser horn
of hyoid, Stylohyoid
ligament
A

2nd arch

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4
Q

Muscles of facial expression,
Stapedius, Stylohyoid,
platySma, posterior belly
of digastric

A

2nd arch

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5
Q

CN V2 and V3

A

1st arch

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6
Q

micrognathia,
glossoptosis, cleft
palate, airway
obstruction

A

Pierre Robin sequence—

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7
Q

—neural crest dysfunction
–>􀁰 mandibular hypoplasia, facial
abnormalities

A

Treacher Collins

syndrome

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8
Q

CN VII (facial
expression)
smile

A

2nd arch

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9
Q

Greater horn of hyoid

A

3rd arch

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10
Q

Stylopharyngeus (think
of stylopharyngeus
innervated by
glossopharyngeal nerve)

A

3rd arch

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11
Q 
CN IX (stylopharyngeus)
swallow stylishly
A

3rd arch

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12
Q 
Arytenoids, Cricoid,
Corniculate,
Cuneiform, Thyroid
(used to sing and
ACCCT)
A

4-6 arches

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13
Q

most pharyngeal
constrictors; cricothyroid,
levator veli palatini

A

4TH ARCH

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14
Q

all intrinsic
muscles of larynx except
cricothyroid

A

6th arch

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15
Q

form posterior 1⁄3 of tongue;

A

Arches 3 and 4

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16
Q

maxillary artery

A

1st aortic arch

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17
Q

cca and proximal ica

A

3rd aortic arch

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18
Q

stapedial and hyoid artery

A

2nd aortic arch

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19
Q

left (aortic arch) and right is the proximal right subclavian artery

A

4th aortic arch

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20
Q

right recurrent laryngeal nerve wraps around

A

right subclavian artery

21
Q

ductus arteriosus

A

6th aortic arch

22
Q

left recurrent laryngeal nerve wraps around

A

aortic arch

23
Q

external auditory meatus

A

1st branchial cleft

24
Q

temporal cervical sinuses ; obliterated by 2nd arch mesenchyme

A

2nd-4th branchial cleft

25
Q

persistent cervical sinus

A

branchial cleft cyst within lateral neck that doesn’t move with swallowing

26
Q

Middle ear cavity, eustachian

tube, mastoid air cells.

A

1st pouch

27
Q

Epithelial lining of palatine

tonsil.

A

2nd pouch

28
Q

Dorsal wings 􀁰 inferior
parathyroids.
Ventral wings 􀁰 thymus.

A

3rd pouch

29
Q 
Dorsal wings 􀁰 superior
parathyroids.
Ventral wings
􀁰 ultimobranchial body
􀁰 parafollicular (C) cells of
thyroid.
A

4th pouch

30
Q

Chromosome 22q11 deletion. Aberrant development of 3rd and 4th pouches–> 􀁰 T-cell deficiency (thymic aplasia) and hypocalcemia (failure of parathyroid development). Associated with cardiac
defects (conotruncal anomalies).

A

Digeorge syndrome

31
Q

failure of fusion of the maxillary and

medial nasal processes (formation of 1° palate).

A

cleft lip

32
Q

failure of fusion of the two lateral
palatine shelves or failure of fusion of lateral
palatine shelves with the nasal septum and/or
median palatine shelf (formation of 2° palate).

A

cleft palate

33
Q

paramesonephric duct aka

A

mullerian duct

34
Q

mesonephric duct aka

A

wolffian duct

35
Q

genital tubercle gives rise to:

A

glans penis, corpus cavernosum, spongiosum, vestibular bulbs, and glans clitorris

36
Q

glans penis =

A

glans clitorris

37
Q

corpus cavernosum and spongiosum=

A

vestibular bulbs

38
Q

urogenital sinus gives rise to

A

bulbourthral glands of Cowper, prostate gland, greater vestibular glands of bartholin and urethral/paraurethral glands of skene

39
Q

bulbourethral glands =

A

greater vestibular glands of bartholin

40
Q

prostate gland=

A

urethral/paraurethral glands of skene

41
Q

ventral shaft of the penis=

A

labia minoria

42
Q

labia majora=

A

scrotum

43
Q

labioscrotal swelling gives rise to

A

the labia major and scrotum

44
Q

urogenital folds give rise to

A

labia minora and ventral shaft of the penis

45
Q

lymph drainage:

Body of uterus/cervix/superior bladder

A

􀁰 external iliac nodes.

46
Q

Lymph drainage:

Ovaries/testes

A

􀁰 para-aortic lymph nodes.

47
Q

Lymph drainage:
Prostate/cervix/corpus cavernosum/proximal
vagina

A

􀁰 internal iliac nodes.

48
Q

Lymph drainage:

Distal vagina/vulva/scrotum/distal anus

A

􀁰 superficial inguinal nodes.

49
Q

Lymph drainage:

Glans penis

A

􀁰 deep inguinal nodes.

Embryology (7 decks)

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