Term
| What are the special senses |
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Definition
Vision
Hearing
Equilibrium
Taste
Smell |
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Term
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Definition
| Located at the body surface, provide information about the external environment: touch, pressure, temperature, pain |
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Term
| What are internal organ receptors |
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Definition
| Located in blood vessels and internal organs provide information about the internal environment: chemo receptors, baro receptors |
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Term
| General sense: Proprioceptors |
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Definition
| Internal receptors that are located in muscles, tendons and joints that provide information about body location, position and movement |
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Term
| General senses: Pain receptors |
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Definition
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Term
| What are components of the eye |
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Definition
Receptors for visual stimuli
Refractive apparatus
Lacrimal apparatus
Accessory muscles
Nerve supply |
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Term
| Eyelids and eyelashes provide |
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Definition
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Term
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Definition
| Mucous membrane that cover the sclera and line the eyelids. It is highly vascular |
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Term
| The eye: Lacrimal apparatus |
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Definition
Makes tears (Lysozyme)
The lacrimal gland is located in the superior lateral portion of the orbit
Nasolacrimal duct |
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Term
| What enzyme is produced by tears |
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Definition
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Term
| The eye: Outer tunic - Sclera |
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Definition
Tough connective tissue
White due to collagen |
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Term
| The sclera is white due to |
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Definition
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Term
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Definition
Transparent
Avascular
Bulges forward slightly
Part of the refractive apparatus |
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Term
| The eye: Middle tunic - Choroid |
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Definition
Connective tissue and bloo vessels
Contains dark brown pigment
Prevents scattering and reflecting of light off of the inner surfaces of the eye |
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Term
| The eye: Cilliary body (Muscle) |
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Definition
Shape is a flattened ring and the function is it holds the lens in place by suspensory ligaments
Controls the shape of the lens (accommodation) |
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Term
| The shape of the cilliary body is |
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Definition
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Term
| The cilliary body holds the lens in place by |
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Definition
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Term
| The ciliary body controls the shape |
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Definition
| Of the lens (accommodation) |
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Term
| The eye: Middle tunic - Lens |
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Definition
Clear circular elastic structure
Biconvex
Adjustable part of the refraction system |
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Term
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Definition
| Adjustable part of the refraction system |
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Term
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Definition
Colored part
Made up of sets of muscle fibers |
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Term
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Definition
| Controls the amount of light entering the eye by controlling the diameter of the pupil |
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Term
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Definition
Retina
Posterior 2/3 of the eye
Photoreceptors
Two types rods and cones |
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Term
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Definition
Detect the presence of light
black and white vision
Work in dim light
The images generated are not especially sharp
Located in the peripheral part of the retina |
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Term
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Definition
Detect colors
Sharp vision
Concentrated in the center of the retina |
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Term
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Definition
High density
Sharp vision |
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Term
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Definition
Highest density
Sharpest vision |
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Term
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Definition
Posterior chamber
Viterous body
Anterior chamber
Aqueous body/humor |
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Term
| The eye pathway for light include |
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Definition
Cornea
Aqueous humor
Pupil
Lens
Vireous body
Retina
Optic disc
Optic nerve |
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Term
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Definition
| Bending of light rays to produce a focused image based on the retina |
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Term
| Accommodation is the ability of the lens to |
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Definition
| Adjust its thickness for both near and far objects |
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Term
| Extrinsic muslces of the eyes are muscles that |
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Definition
Control eye movement including
6 muscles
4 rectus muscles
2 oblique muscles |
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Term
| The function to move the yes in a coordinated fashion so that both eyes focus on visual field is called |
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Definition
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Term
| Intrinsic muscles of the eye |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Clouding of the normally clear lens of the eye |
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Term
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Definition
| Damage to the optic nerve leads to progressive, irreversible vision loss |
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Term
| The external ear consists of |
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Definition
Pinna/auricle
External auditory meatus
Tympanic membrane |
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Term
| The middle ear has what tube |
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Definition
Eustacian tube
Opens into the pharynx
Equalizes pressure |
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Term
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Definition
Malleus: Hammer (tympanic membrane)
Incus: Anvil
Stapes: Stirrup (oval window) |
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Term
| The internal ear structure is |
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Definition
| Boney labyrinth filled with perilymph contains membranous labyrinth filled with endolymph |
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Term
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Definition
Coiled structure shaped like a snail
Contains the receptors for hearing (hair cells) which are found in the organ of corti |
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Term
| The choclea is a coiled structure that have the receptors for hearing (hair cells) which are found in the |
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Definition
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Term
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Definition
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Term
| The ear: Semicircular canals |
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Definition
| There are three and they are concerned with balance |
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Term
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Definition
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Term
| Taste: Gustation - Receptors |
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Definition
Sweet
Salty
Sour
Bitter
Location Cr nerve #VII and IX |
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Term
| Smell: Olfaction - Receptors |
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Definition
Location: Superior portion of the nasal mucosa
Cranial nerve #1 |
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Term
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Definition
Hunger and thirst
Hunger and satiety centers in the hypothalamus
Thirst center (osmolarity) |
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