L12- Olfaction

Question 1

size of olfactory region is related to the

Answer 1

degree of development for sense of smell

Question 2

what allows dogs to detect odorous substances at concentrations higher than humans

Answer 2

larger olfactory region

Question 3

greatly developed sense of smell

Answer 3

macrosmatic

Question 4

relatively lesser developed sense of smell

Answer 4

microsmatic

Question 5

no sense of smell

Answer 5

anosmatic

Question 6

what animals are macrosmatic

Answer 6

most domestic animals

Question 7

what animals are microsmatic

Answer 7

humans monkeys some aquatic mammals

Question 8

what animals are anosmatic

Answer 8

many aquatic animals

Question 9

what extends from either side of the olfactory receptor cell

Answer 9

nerve fiber either dendrite or axon

Question 10

which part of the olfactory cell extends outside the olfactory region membrane BETWEEN sestentacular cells

Answer 10

dendritic process

Question 11

what supports the dendritic process and sheild olfactory cells from the nasal cavity

Answer 11

sustentacular cells

Question 12

what are the hair like structures extending into the nasal cavity from olfactory vesicles

Answer 12

olfactory cilia

Question 13

what is continously bathing olfactory cilia in a thin layer of fluid

Answer 13

glands of bowman

Question 14

what become either sustentacular or olfactory cells

Answer 14

basal cells

Question 15

what is defined as a back and forth movement of air

Answer 15

sniffing

Question 16

as odorant dissolves into solution what does it become

Answer 16

stimulus for impulse sent to brain

Question 17

axons of olfactory cells join the

Answer 17

fibers and branches of olfactory nerve (CN I)

Question 18

where are scent glands on some ungulates

Answer 18

between hoof pads

Question 19

where are scent glands on rabbits

Answer 19

chest and around anus

Question 20

where are feline scent glands

Answer 20

chin and lips

Question 21

what are the purposes of pheromones

Answer 21

marking boundaries trails
recognzing individuals
marking food locations
alarms