Histology

Question 1

what is the auditory meatus and external canal lined with?

Answer 1

epidermis

contains sebaceous and ceruminous glands

Question 2

what is the middle ear lined with?

Answer 2

columnar lined mucosa
Contains ossicles (malleus, incus and stapes), opening Eustachian tube and mastoid cavity

Question 3

what is the inner ear?

Answer 3

the cochlea, vestibular apparatus

Question 4

what is the nasal vestibule lined with?

Answer 4

squamous epithelium

Question 5

what is the nose sinus etc. lined with?

Answer 5

respiratory epithelium, (pseudo stratified ciliated columnar) seromucinous glands

Question 6

what is the throat lined with?

Answer 6

respiratory and squamous epithelium depending on anatomical site

Question 7

what type of a gland is the salivary gland?

Answer 7

exocrine gland

major and minor

Question 8

what two components are present int he salivary gland?

Answer 8

acing component and ductular component

Question 9

what do salivary glands contain?

Answer 9

serous cells
mutinous component
peripheral myoepithelial cells

Question 10

serous cells:

Answer 10

darkly staining

contain digestive enzymes including amylase

Question 11

mutinous component:

Answer 11

clear grey staining

Question 12

peripheral myoepithelial cells:

Answer 12

often flat or cuboidal with clear cytoplasm

have some contractile properties