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Apexia > Embryology of the face > Flashcards

Embryology of the face Flashcards

1
Q

Development of the face involves __________ and _______ of various tissues to form final product

A

The formation and cordination

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2
Q

Functions of the face

A

Hearing
Mission
Breathing
Testing
Feeding
Facial expression

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3
Q

Facial development begins during _________

A

Early embryogenesis

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4
Q

_________ is the membrane where the face forms

A

Oropharyngeal membrane

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5
Q

Oropharyngeal membrane is seen in the embryo on the ________ week between ________ and _______

A

Week 3

The heart and the brain

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6
Q

_________ are two ectodermal thickenings that appear at the end of the 4th week on the frontonasal processes

A

The nasal placodes

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7
Q

The frontonasal process arises from _________ and covers ______

A

The neural crest and covers the brain

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8
Q

The frontonasal process gives rise to ________ and _______

A

Lateral nasal processes and medial nasal processes

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9
Q

_______ develop medial to the nasal placode

A

The medial nasal processes

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10
Q

_________ develop lateral to the nasal placode

A

Lateral nasal processes

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11
Q

By 10th week, the inter-maxillary process forms ________

A

The nasal bridge and philtrum of the lip

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12
Q

The medial nasal process gives rise to _________

A

Inter-maxillary process

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13
Q

The tissues of the 1st mandibular pharyngeal arch originated from the __________

A

Mesorderm and neural crest

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14
Q

The 1st arch will give rise to ________ and _________

A

Two mandibular processes
Two maxillary processes

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15
Q

The fusion of the maxillary process, lateral nasal placodes and medial nasal processes results in formation of _______

A

The philtrum of the lip

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16
Q

The improper fusion of the maxillary processes, lateral nasal processes, and medial nasal processes leads to ______ in newborn

A

Orofacial cleft

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17
Q

At _____ week the embryo has facial feature with human appearance

A

At 7th week

18
Q

The palate is the tissue between _______ and ______

A

Nasal and oral cavity

19
Q

The palate separated in ________ and _______

A

Primary and secondary palate

20
Q

_______ forms the rest of the hard palate and the soft palate

A

Secondary palate

21
Q

____________ give rise to anterior triangular one - third from the incisive foramen and include the four upper incissors

A

Primary palate

22
Q

_________ connects the oral cavity to the nasal cavity

A

Primitive choana (nasopharynx)

23
Q

________ and _______ causes cleft palate

A

Growth retardation and mechanical obstruction

24
Q

_________ is the most common congenital disability

A

Cleft lip/palate

25
Q

_________ refers to the choana

A

Oro nasal membrane

26
Q

Coloboma, Retarded growth, atresia choanae, genital hypoplasia and heart disease are anomalies associated with _________

A

Choana Atresia

27
Q

Facial anomalies includes;

A

Cleft lip
Cleft palate
Choanal atresia

28
Q

The tongue develops from _____ week of intrauterine life

A

The 4th week

29
Q

_______ ________ _________ and _______ pharyngeal arch contributes to the development of the tongue

A

The 1st, 2nd, 3rd and 4th Pharyngeal arch

30
Q

The growth of the tongue begins with a swelling from the first pharyngeal arch known as

A

Tuberculum impar

31
Q

________ and ______ are muscles of the tongue

A

The extrinsic and intrinsic muscle

32
Q

The Extrinsic muscles include

A

Palatoglossus
Styloglossus
Hyoglossus
Genioglossus

33
Q

________ muscles allow the tongue to move in all direction and originates from the structures adjacent

A

The extrinsic muscle

34
Q

Changing the shape of the tongue is done by _______

A

The intrinsic muscle

35
Q

The intrinsic muscle include

A

Superior longitudinal muscle
Inferior longitudinal muscle
Vertical muscle
Transverse muscle

36
Q

The dorsal surface of the tongue is covered by _______

A

Stratified squamous epithelium

37
Q

Functions of the tongue, includes

A

Tasting function
Speech function
Food manipulation

38
Q

________ is referred to as the keel structure

A

The nasal fin

39
Q

The philtrum of the upper lip, the nasal dorsum, the septa and primary palate originates from ______

A

Maxillary process

40
Q

Failure of midline fusion during embryogenesis results in ______

A

The spectrum of cleft lip/palate

41
Q

Structure of the nasal cavity is derived from the _______

A

First branchial arch

Apexia (14 decks)

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