oral histo lab

Question 1

in the development of the tongue the 3rd and unpaired part is the

Answer 1

copula

Question 2

the mandible develops from the

Answer 2

1st branchial arch

Question 3

the meckel’s cartilage

Answer 3

does not contibute to mandible formation

Question 4

the cheeks formed by

Answer 4

maxillary process

Question 5

the trilaminar disk layers that are responsible for the development of the oral cavity are

Answer 5

ectodermal layer

Question 5

the primary palate develops as am results of the 2

Answer 5

medial nasal process

Question 6

which pharyngeal pouch gives to the inferior parathyroid gland and thymus gland

Answer 6

3rd and 4th

Question 7

the primitive mouth, initially appears as a shallow depression in the embryonic surface at the cephalic end before the 4th week of prenatal development

Answer 7

ectoderm

Question 8

during the 4th week of prenatal development, the upper lip is formed when each — fuses with — as a result of the underlying growth of the mesenchyme

Answer 8

maxillary process, median nasal process

Question 9

the cartilage in the 2nd branchial arch is called:

Answer 9

Reichert’s cartilage

Question 10

the type of oral mucosa that is seen int the dorsal of the tongue and associated with lingual papilla

Answer 10

specialized mucosa

Question 11

the v-shaped structure that divides the dorsal surface of the tongue into anterior and posterior thirds

Answer 11

sulcus terminalis

Question 12

the fusion of gametes to initiates the development of a new organism

Answer 12

fertilization

Question 13

the presence of th primitive streak will establish bilateral symmetry, determine the site of gastrulation and initiate germ layer formation. t or f

Answer 13

TRUE

Question 14

this phase early in the embryonic development during which the singled layered blastula is reorganized into a multi-layered structure, form germ layer

Question 15

this is phase early in the embryonic development , during the which single layered blastula is recognized into multi-layered structure, forming layer

Answer 15

Gastrulation

Question 16

a depression between the brain and pericardium in an embryo and is precursor of the mouth and anterior lobe of the pituitary gland

Answer 16

stomodeum

Question 17

this cartilaginous bar of the mandibular arch participates in the development of the incus and malleus

Answer 17

meckel’s cartilage

Question 18

the maxillary process fuse with each median nasal process to form upper lip and with each mandibular arch to form the labial commisures

Answer 18

true

Question 19

disintegration of this membrane enlarges the primitives mouth and allows access to the primitive pharynx

Answer 19

oropharyngeal membrane

Question 20

a midline swelling from the 1st branchial arch that marks the beginning of the tongue development

Answer 20

tuberculum impar

Question 21

the result of non-fusion of 2 palatine processes and inferior borders of the nasal septum

Answer 21

cleft lip

Question 22

the upper lip is formed by which embryological processes

Answer 22

medial nasal and maxillary process

Question 23

in which stage mitosis does cytokinesis take place

Answer 23

anaphase

Question 24

from which branchial arch did the mandible develop from

Answer 24

2nd branchial arch

Question 25

the cheeks are formed by the

Answer 25

maxillary process

Question 26

the palatal shelves (palatine process), which will form the secondary palate

Answer 26

DEVELOP INITIALLY INA VERTICAL DIRECTION ALONG THE SIDE

Question 27

anterior 2/3 of the tongue is formed by which of the following structures

Answer 27

TUBERCULUM IMPAR

Question 28

the soft palate and uvula develop form the

Answer 28

palatine process

Question 29

the buccopharyngeal membrane is composed of

Answer 29

ECTODERM AND ENDODERM