Vocab Flashcards

0
Q

Proprioceptors

A
  • Receptors found near junction between tendons and muscles
  • provide info of where parts of body are
  • sense of muscle tension
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1
Q

Chemoreceptor

A

Detects chemicals responsible for our senses of taste and smell

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2
Q

Mechanoreptors

A

Sense organs of hearing equilibrium and balance

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3
Q

Golgi tendon organ

A
  • near junction of tendons and muscles

* proprioception (sense of muscle tension)

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4
Q

Meissner corpuscle

A
  • Skin fingertips and lips

- persistent to touch and pressure

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5
Q

Pacini corpuscles

A
  • Subcutaneous,submucous, and around external genitals

- deep pressure and high frequency vibration

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6
Q

Photoreceptor

A

Stimulated by light

- rods & cones

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7
Q

General sense organs

A
  • Distributed throughout the body

- skin muscles tendons joints and other internal organs of the body

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8
Q

Special sense organs

A
  • Smell taste vision hearing & equilibrium

- nose tongue eyes ears

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9
Q

Layers of the eye

A

Sclera , choroid, retina

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10
Q

Sclera

A

Consists tough fibrous tissue

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11
Q

Cornea

A

Transparent outer layer of sclera

- window of the eye

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12
Q

Iris

A

Colored muscular part of the eye

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13
Q

Conjunctiva

A

Mucous membrane that lines the eyelids and covers the sclera in

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14
Q

Lacrimal gland

A

Glands that produce tears

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15
Q

Choroid

A

-middle layer of eye that contains a dark pigment to prevent the scattering of incoming light rays

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16
Q

Pupil

A

The opening in the center of the iris that regulates the amount of light entering the eye

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17
Q

Lens

A

The refracting mechanism of the eye that is located directly behindhind the pupil

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18
Q

Presbyopia

A

“Old sightedness”

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19
Q

Cataract

A

Condition in which the lens loses its transparency and becomes milky in appearance

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20
Q

Retina

A

Innermost layer of Eyeball

-contains rods and cones

21
Q

Rods

A

Receptors for night vision

22
Q

Cones

A

Receptors for daytime vision

23
Q

Fovea centralis

A

small depression in the Macula lutea where cones are most densely packed

24
Aqueous humor
Watery fluid in front of the lens
25
Vitreous humor
Jellylike fluid behind The lens
26
Glaucoma
Pressure within the eye
27
Refraction
Bent
28
Photo receptor cells
Rods and cones
29
Optic disc
blind spot
30
Auricle
Part of the external ear | Side of head
31
External auditory canal
Part of external ear
32
Tympanic membrane
Partition between the external and middle ear
33
Ceruminous glands
Produce wax
34
Cerumen
Wax
35
Three small bones aka ossicles
Malleus Incus Stapes
36
Malleus
Hammer Handle Attaches to tympanic membrane Head attaches to incus
37
Incus
Anvil | Attaches to stapes
38
Stapes
Stirrup | Presses against a membrane that covers a small opening, the oval window
39
Auditory or eustatchian tube
Connects the throat w middle ear
40
Bony labyrinth
Spaces in the temporal bone assembled as a complex maze
41
Perilymph
Water fluid in bony labyrinth
42
Parts of the bony labyrinth
Vestibule, semi circular canal, cochlea. | Vestibule is Adjacent to oval window between the semicircular canals and the cochlea
43
Membranous labyrinth
"Tube within a tube"
44
Endolymph
Thicker fluid in membranous labyrinth
45
Crista ampullaris
Generates a nerve impulse when you move your head
46
Vestibular nerve
Joins w the cochlear nerve to form the acoustic nerve
47
Organ of corti
Snail shape | Surrounded by endolymph, filling the membranous labyrinth
48
Gustatory cells
Generate the nervous impulses ultimately interpreted by the brain as taste
49
Papillae
Different shapes bumps across tongue