page 237-256 Flashcards

1
Q

https://drive.google.com/open?id=0B8uJUY-tie8GMUZ0alB6S0lYRUU

A

https://drive.google.com/open?id=0B8uJUY-tie8GZ0xyMDRjRXhOcUU

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2
Q

pouch 1

A

Tympanic membrane

Auditory tube

Middle ear cavity

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3
Q

Lymphatic nodulePalatine tonsil

A

pouch 2

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4
Q

Inferior parathyroid gland

thymus

A

pouch 3

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5
Q

pouch 4

A

Superior parathyroid gland

Ultimobranchial body

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6
Q

Gives rise to thyroid parafollicular/C-cells

■ Calcitonin

A

Ultimobranchial body

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7
Q

Rudimentary structure (becomes part of pouch 4)

A

pouch 5

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8
Q

https://drive.google.com/open?id=0B8uJUY-tie8GVjhGVUg1Sk9Tc3M

A

https://drive.google.com/open?id=0B8uJUY-tie8GYVlhXzR1RlhBam8

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9
Q

Two mandibular processes (branchial arch 1) merge.

■ Medial ends merge at week 4.

■ Mandibular processes → merge to form lower lip.

A

mandible

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10
Q

maxila

A

Two maxillary processes (branchial arch 1) merge.

■ Form upper cheek regions and most of upper lip.

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11
Q

Form with growth of forebrain.

■ Develop into forehead and nose.

A

FRONTAL NASAL PROCESSES

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12
Q

Two medial nasal processes merge.

■ Form philtrum of upper lip.

A

front nasal process

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13
Q

Thickened areas of specialized ectoderm.

■ Located on either side of the frontal nasal process.

■ Give off elevations at their margins.

A

nasal placodes

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14
Q

Lateral nasal processes (2).

■ Form sides/alae of nose.

A

NASAL PLACODES

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15
Q

Medial nasal processes (2).

■ Form bridge of nose.

■ Nostrils.

■ Upper lip philtrum.

A

NASAL PLACODES

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16
Q

mouth and Oral cavity

A

Begins as a slight depression on the stomodeum.

■ Located between branchial arch 1 and the forebrain.

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17
Q

Buccopharyngeal membrane (oropharyngeal membrane)

A

Thin bilaminar membrane.

■ Composed of ectoderm externally and endoderm internally.

18
Q

Separates the stomodeum from the primitive pharynx (until rupture).

■ Ruptures around week 31/2 (~24 days).

■ Connecting the primitive mouth and primitive pharynx.

A

mouth and OC

19
Q

https://drive.google.com/open?id=0B8uJUY-tie8GUGp0QmhuYWM1VlU

A

https://drive.google.com/open?id=0B8uJUY-tie8GOTVpeHFSUmlFTUk

20
Q

https://drive.google.com/open?id=0B8uJUY-tie8GUFoxQklZamhhRWc

A

https://drive.google.com/open?id=0B8uJUY-tie8GR2VERTZ5SUtfT0U

21
Q

https://drive.google.com/open?id=0B8uJUY-tie8Gd2p3Nmx1dnRWX2c

A

https://drive.google.com/open?id=0B8uJUY-tie8GWWgtSmMzSGQxRHM

22
Q

Forms from merging of the two median nasal processes.

A

primary palate

23
Q

Becomes the premaxillary part of the maxilla.

A

Becomes the premaxillary part of the maxilla.

24
Q

Maxilla anterior to incisive foramen in adults.

■ Contains central and lateral incisors.

A

prim. palate

25
Q

sec. palate

A

Forms from the two maxillary processes (lateral palatine processes).

■ Forms hard and soft palates.

26
Q

Extends from incisive foramen posteriorly.

A

sec. palate

27
Q

https://drive.google.com/open?id=0B8uJUY-tie8GeDN2bXpwWEZLMWM

A

https://drive.google.com/open?id=0B8uJUY-tie8GeDZOOEJVa2k5U1k

28
Q

cleft palate

Occurs with failure to fuse >1 of the following

A

Lateral palatine processes (palatal shelves).

■ Nasal septum.

■ Primary palate.

29
Q

https://drive.google.com/open?id=0B8uJUY-tie8Gc2VYV0JCb3hmdUE

A

https://drive.google.com/open?id=0B8uJUY-tie8GOXJKM2VoR0hLYkk

30
Q

May involve uvula only, or extend through hard and soft portions of palate.

■ Cleft uvula only.

■ Unilateral cleft of secondary palate.

■ Bilateral cleft of secondary palate.

A

VARIATIONS OF CLEFT LIP AND PALATE

31
Q

Complete unilateral cleft.

■ Lip.

■ Alveolar process (of maxilla).

■ Primary palate.

A

VARIATIONS OF CLEFT LIP AND PALATE

32
Q

Complete bilateral cleft (except secondary palate).

■ Lip.

■ Alveolar process (of maxilla).

■ Anterior palate.

■ Secondary palate (unilateral

A

VARIATIONS OF CLEFT LIP AND PALATE

33
Q

Complete bilateral cleft.

■ Lip.

■ Alveolar process.

■ Anterior (primary) palate.

■ Posterior (secondary) palate.

A

VARIATIONS OF CLEFT LIP AND PALATE

34
Q

Begins in the first week with the formation of the tuberculum impar

A

TONGUE DEVELOPMENT

35
Q

Tuberculum impar.

■ Median, triangular elevation.

■ Appears on floor of pharynx, just in front of foramen cecum.

A

TONGUE DEVELOPMENT

36
Q

https://drive.google.com/open?id=0B8uJUY-tie8Gc3ItV2xNN0JtU0k

A

https://drive.google.com/open?id=0B8uJUY-tie8GSFVvTmE3Q2I0LVk

37
Q

Lateral lingual swellings (distal tongue buds [2]).

■ Form on each side of the tuberculum impar.

A

Anterior Two-Thirds of Tongue

38
Q

From the proliferation of mesenchyme (arches 1, 2, 3).

■ Swellings fuse to form the anterior two-thirds of tongue.

A

Anterior Two-Thirds of Tongue

39
Q

Posterior Third of Tongue:

A

Formed by two elevations.

■ Copula (arch 2).

■ Hypobranchial eminence (arch 3).

40
Q
A