Chapter 8

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Tarsal Glands

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Description and Tags

Health

10th

47 Terms

1

Tarsal Glands

sebaceous glands along the rims of the eyes inside the tarsal plate

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2

Conjunctiva

the mucous membrane that covers the front of the eye and lines the inside of the eyelids (ends at the cornea)

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3

Lacrimal Glands

gland that secretes tears to clean the eye

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4

Lysozyme

enzymes that catalyzes the destruction of the cell walls of certain bacteria, found in tears

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5

Sclera

the white outer layer of the eye, supports the eye and contains the cornea

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6

Cornea

the transparent part of the eye that covers the iris and the pupil that allows light to enter the eye

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7

Choroid

the pigmented, vascular layer of the eye between the retina and the sclera

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8

Ciliary Body

part of the eye that connects the iris to the choroid

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9

Ciliary Zonule

ring of fibrous structures that connect the ciliary body to the iris

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10

Iris

flat, colored, ring-shaped membrane behind the cornea with an adjustable pupil (eye color)

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11

Pupil

the round opening in the center of the iris, allows light to pass through

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12

Retina

inner layer of the eye containing cells that are sensitive to light and trigger nerve impulses

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13

Photoreceptors

a sensory cell that responds to light falling on it

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14

Rods

type of photoreceptor that is sensitive in low light levels and provide vague description of things

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15

Cones

type of photoreceptor that is sensitive in higher levels of light and give detailed description of things

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16

Optic Disc

the raised disk on the retina at the point of entry of the optic nerve, lacking visual receptors creating a blind spot

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17

Fovea Centralis

small depression in the retina entirely composed of cones

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18

Cataracts

medical condition in which the lens of the eye becomes blurred

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19

Scleral Venous Sinus

circular chanel in the eye that collects aqueous humor from the anterior chamber and delivers it to the bloodstream

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20

Glaucoma

condition of increased pressure within the eye

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21

Refracted Light

the bending of light rays as they pass through the eye

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22

Accomodation

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23

Convergence

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24

Photopupillary Reflex

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25

Accommodation Reflex

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26

Emmetropia

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27

Myopia

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28

Hyperopia

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29

Presbyopia

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30

Astigmatism

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31

Mechanoreceptors

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32

Otitis Media

swelling of otoliths

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33

Ossicles

three bones of middle ear

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34

Osseous Labyrinth

bony, outer wall of the inner ear

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35

Tectorial Membrane

ribbon-like strip of extracellular matrix that spiral along the entire length of the cochlea

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36

Perilymph

inner fluid of the cochlea

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37

Membranous Labyrinth

group of ducts and chambers within the cochlea

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38

Endolymph

outer fluid of the cochlea

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39

Static Equilibrium

maintaining proper head position while standing still

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40

Dynamic Equilibrium

maintaining proper head position while moving

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41

Otoliths

“ear stones” in the jello of the ear

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42

Basilar Membrane

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43

Chemoreceptors

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44

Olfactory Receptors

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45

Olfactory Hairs

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46

Papillae

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47

Basal Cells

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