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Vertebrate Morphology > Sense Organs > Flashcards

Sense Organs Flashcards

1
Q

Sense organs at and near tendons of muscles

A

Proprioreceptors

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2
Q

Sense organs in the internal organs

A

Enteroreceptors

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3
Q

Sense organs that report mechanical stimuli

A

Mechanoreceptors

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4
Q

Sense organs that report electromagnetic stimuli

A

Radioreceptors

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5
Q

Sense organs that report chemical stimuli

A

Chemoreceptors

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6
Q

Chemoteceptor/exteroreceptor, sends signals directly to the brain, C.N. 1

A

Olfactory sense

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7
Q

Cell bodies with cilia in stratified epithelium, axon penetrates underlying tissue

A

Olfactory cells

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8
Q

Non-sensory cells that support olfactory epithelium

A

Supporting cells

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9
Q

Olfactory epithelium cells attached to basement membrane

A

Basal cells

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10
Q

Form from olfactory placodes by invagination, lined with olfactory epithelium

A

Olfactory sacs

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11
Q

Openings of the nasal cavity

A

Nares

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12
Q

Rhipidistian synapomorphy that connects nasal cavity to oral cavity

A

Choanae

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13
Q

Accessory chemical sense present in the oral cavity, has branches of CN 1

A

Vomeronasal organ

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14
Q

Sense located in oral epithelium

A

Taste/gustatory

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15
Q

Types of tastes sensed

A

Sweet, sour, salty, bitter, savory/umami

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16
Q

Cranial nerves innervating taste pores

A

VII, IX, X

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17
Q

Senses mediated by muscle spindles

A

Pain, touch, and temperature

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18
Q

Nerve endings wrapped around specialized muscle fibers that report tension and position

A

Muscle spindles

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19
Q

Uses neuromasts, innervated by CN VIII, the lateral line system that detects waterborne vibrations

A

Acousticolateralis/octavolateralis system

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20
Q

Ampullary organs consisting of short lateral lines

A

Ampullae of Lorenzini

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21
Q

3 functions of inner ear

A

Hearing, balance, and orientation

22
Q

2 components of outer ear

A

Pinna, external acoustic meatus

23
Q

3 components of middle ear

A

Stapes, middle ear cavity, Eustachian tube

24
Q

How the inner ear develops

A

Invagination of neurogenic placode

25
Q

The sacs and ducts of the inner ear that are filled with endolymph and contain the receptive cells for balance and hearing

A

Membranous labyrinth

26
Q

2 continuous chambers in the membranous labyrinth

A

Utriculus and sacculus

27
Q

Patches of neuromasts

A

Maculae

28
Q

3 ducts in different places in membranous labyrinth

A

Semicircular ducts

29
Q

Stalklike remnant of invagination passage that contains endolymph

A

Endolymphatic duct

30
Q

Type of unpaired eye, one or two in most non-amniotes on top of head

A

Median eyes

31
Q

Types of median eyes

A

Pineal and parietal

32
Q

Pineal eye becomes this in mammals and birds

A

Pineal gland

33
Q

Gland that produces melatonin

A

Pineal gland

34
Q

3 stages of eye development

A

Optic vesicle, optic cup, lens vesicle

35
Q

Sense organ on or near the surface of the organism

A

Exteroreceptors

36
Q

Overlying gelatinous secretion of the neuromast

A

Cupula

37
Q

Long extension of hair cells that extends from neuromast

A

Kinocilium

38
Q

Shorter extensions of hair cells extending from the neuromast

A

Stereocilia

39
Q

Name for individual receptor cells in neuromast

A

Hair cells

40
Q

Region of the brain that yields the eye

A

Diencephalon

41
Q

1st stage of embryonic eye development

A

Optic vesicle

42
Q

Structure that connects eye and brain

A

Optic stalk

43
Q

Invagination of the distal end of the optic vesicle during eye development

A

Optic cup

44
Q

Optic cup differentiates into

A

Outer pigment layer and inner neuronal layer

45
Q

Embryonic precursor to the lens of the eye

A

Lens vesicle

46
Q

Layer of eye that carries signals and allows light to pass

A

Neuronal layer

47
Q

Layer of eye that will differentiate into rods and cones

A

Pigment layer

48
Q

Responsible for changing the shape of the eye’s lens

A

Zonule fibers

49
Q

Main point of focus of the eye

A

Fovea

50
Q

Folds that increase surface area

A

Lamellae

Vertebrate Morphology (26 decks)

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