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Head and Neck Anatomy > Embryology > Flashcards

Embryology Flashcards

1
Q

Neck develops from

A

Branchial/Pharyngeal Arches

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2
Q

Face develops from

A

5 Mesenchymal Processes

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3
Q

Notochord formation leads to

A

Axis formation

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4
Q

Somites are derived from

A

Paraxial Mesoderm and Form Axial Skeleton and Muscles

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5
Q

In humans how many embryos develop

A

33

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6
Q

Which branchial arch disappears

A

5th

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7
Q

which nerve comes from 1st arch of branchial arch

A

mandibular of trigeminal

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8
Q

which nerve comes from 2nd arch of branchial arch

A

facial

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9
Q

which nerve comes from 3rd arch of branchial arch

A

glossopharyngeal

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10
Q

which nerve comes from 4th arch of branchial arch

A

sup of vagus

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11
Q

which nerve comes from 6th arch of branchial arch

A

laryngeal of vagus

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12
Q

Anterior belly of diagrastic innervation

A

Mandibular of Trigeminal

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13
Q

Posterior belly of diagnostic innervation

A

Facial nerve

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14
Q

Other 4 structures which develop form branchial arch

A

Tongue
Thyroid Gland
Parathyroid
Part of Pituitary

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15
Q

Face develops form how many processes

A

5

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16
Q

The medial nasal process grows down and laterally to form

A

Philtrum

17
Q

When does anterior fontanelle close

A

1.,5 years

18
Q

Neural tube forms

A

brain

19
Q

1st pharyngeal arch abnormality

A

Treacher Collins Syndrome

20
Q

At what vertebral level does the larynx continue as the trachea?

A

c6

21
Q

Which of the following is an unpaired bone that forms part of the skeleton of the nose?

A

Ethmoid

22
Q

The perpendicular plate of the ethmoid forms part of the:

A

nasal septum

23
Q

To which group of lymph nodes would the malignant melanoma usually spread to initially?

A

buccal

24
Q

when does anterior fontanelle close

A

9-18 months

Head and Neck Anatomy (9 decks)

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