Cole Histology and Development

Question 1

Filiform papillae location

Answer 1

most medial aspect of tongue

Question 2

Filiform papillae structure

Answer 2

most abundant

Question 3

Filiform papillae function

Answer 3

hold onto food and anything being masticated

Question 4

Fungiform papillae location

Answer 4

middle aspect of tongue

lateral to filiform

Question 5

Fungiform papillae structure

Answer 5

nonkeratinized stratified squamous

Question 6

Circumvallate papillae location

Answer 6

posterior part of tongue in front of sulcus terminalis

Question 7

Circumvallate papillae structure

Answer 7

surrounded by trench

Question 8

Circumvallate papillae function

Answer 8

have hundreds of taste buds and where you can suspend food

Question 9

Foliate papillae location

Answer 9

side of tongue

Question 10

Foliate papillae structure

Answer 10

have serous glands on top, taste buds in lateral wall

Question 11

Foliate papillae function

Answer 11

not well developed in humans but is in other animals

Question 12

3 components of taste buds

Answer 12

taste receptor, supporting cells, and precursor cells (basal cells)

Question 13

Taste receptor - basal portion

Answer 13

contacts afferent nerve terminal derived from sensory ganglia of the facial, glossopharyngeal and vagus nerves

Question 14

How long do taste buds last?

Answer 14

2 weeks and then remade

Question 15

Supporting cells

Answer 15

immature taste buds that turn into mature taste buds

Question 16

Precursor cell- basal cell

Answer 16

give rise to supporting cell

Question 17

Ebner’s gland location

Answer 17

in connective tissue and in all things that have taste buds

Question 18

What 2 papillae is Ebner’s glands associated with

Answer 18

foliate and circumvallate

Question 19

Ebner’s gland secretions

Answer 19

secrete lingual lipase and VEGP

Question 20

VEGP

Answer 20

Von Ebner’s gland protein

Question 21

VEGP function

Answer 21

binds flavorful chemicals and helps pick up and transport food

Question 22

Tastents

Answer 22

soluble chemical taken into the taste bud

Question 23

Taste receptor subunits

Answer 23

G protein, a b, y subunits

Question 24

Taste receptor function

Answer 24

tastents interact with subunit

Question 25

Location of Taste receptors

Answer 25

apical microvilli of taste receptors

Question 26

6 confirmed taste

Answer 26

sweet, salty, sour, bitter, umami, fat

Question 27

Location of sweet

Answer 27

tip of tongue

Question 28

Sweet flavor

Answer 28

sugars

Question 29

Location of salty

Answer 29

posterior and lateral to tip of the tongue

Question 30

Salty flavor

Answer 30

sodium

Question 31

Location of sour

Answer 31

anterior 2/3 of dorsum and along the lateral margin

Question 32

Sour flavor

Answer 32

acidic, H+

Question 33

Location of bitter

Answer 33

posterior, medial tongue

Question 34

Bitter flavor

Answer 34

caffeine, morphine, and nicotine

Question 35

Location of Umami

Answer 35

Unknown

Question 36

Umami flavor

Answer 36

L glutamate and other amino acids

Question 37

What does a fat taste detect

Answer 37

texture of fat

Question 38

Nasal cavity structure - respiratory function

Answer 38

lined with pseudostratified columnar epithelium and goblet cells

Question 39

Lamina propria in nasal cavity

Answer 39

contains both serous and mucous glands to moisten air and trap particles

Question 40

Functions of Nasal mucosa

Answer 40

air hydrations, air filtration, and temperature regulation

Question 41

Air hydration

Answer 41

secrete serous and mucous exocrine glands and goblet cells to moisten the surface of nasal cavity - add water vapor to inspired air

Question 42

Air filtration

Answer 42

conchae interrupt air flow and create turbulence | matter adheres to conchae and cilia moves it to nasopharynx

Question 43

Temperature regulation

Answer 43

can warm or cool inspired air

Question 44

Structure of olfactory epithelium

Answer 44

pseudostratified columnar with 2 types of cells - olfactory cells, supporting cells, and basal cells

Question 45

Olfactory cells

Answer 45

bipolar sensory neurons where dendrite extends and dilates to from olfactory vesicle

Question 46

Supporting cells of Olfactory epithelium

Answer 46

sustentacular cells, columnar cells with oval nuclei

Question 47

Function of supporting cells of olfactory epithelium

Answer 47

provide physical support, nourishment and electrical insulation of the olfactory cell

Question 48

Olfactory bulb

Answer 48

axon terminals connect with synaptic terminals of mitral cells

Question 49

Mitral cells

Answer 49

connect olfactory bulb to make glomeruli

Question 50

Glomeruli

Answer 50

connection between axon terminals of olfactory bulb and mitral cells

Question 51

Kallman Syndrome

Answer 51

dont have sense of smell because don't make GnRH --> dont make LH --> dont have gonadal dvpt

Question 52

Anosmia for Kallman Syndrome

Answer 52

lack of neurons in the brain (mitral cells) that receive input from olfactory neurons

Question 53

Defective gene in Kallman Syndrone

Answer 53

KAL1

Question 54

look at drawing of olfaction process

Answer 54

ok