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Sensory organs

sense organs

Sensory receptors detect _______ and generate________ stimuli, impulses
Bundles of fibers in the white matter of the spinal cord are ______ ________ sensory tracts
____________ respond to phusical movement and detect sound Mechanoreceptors
___________ are a type of mechanoreceptor in muscles and joints Proprioceptors
A type of receptor that responds to temperature is ___________ thermoreceptors
Nocietors detect _______ ________ and give sense of pain tissue damage
This receptor detects light photoreceptor
Name the five charactericts of sensations, Type, projections, intensity, adaptation, contrast.
_________ becoming less aware of continuing stimulation adaptation
Effect of a previous or simultaneous sensation on a current sensation is called _________ contrast
_________ is determined by the number of receptors stimulated and the amound of stimulation in each Intensity
Which sensation is "felt" in the cerebral cortex projections
Two cavaties of the retina are _____cavity and _______ cavity posterior, anterior
The anterior cavity is divided into _____ chambers 2
_______ chamber of the ______ cavity lies between the iris and cornea anterior, anterior
The chamber betweeen the iris and the lens is the ________ ________ posterior chamber
The _______ _______is in the anterior cavity of the retina aqueous humor
Binocular vision allows for ______ _______ depth perception
Bending of the light rays passing through the eye is called ________ refraction
The canal of Schlemm is also known as ______ _____ _______ scleral venous sinus
Posterior cavity is located between the lense and retina and also called vitreous chamber
The vitreous humor, also known as vitreous body, is made of a ________ substance semisolid
What is the opening where the optic nerve exits the eye optic disc
The "blind spot" has no visual receptors
The ciliary body/muscle is a circular muscle that surrounds and connected to the lens by _________ ligaments
Anterior to the lens is the _______ also known as the colored part of the eye iris
________, contraction of the radial fibers let in more light Dilation
Another name for radial fibers is sympathetic
Constriction is contraction of the _______ fibers that block light when too bright circular
Give another name for the circular fivers of the pupil parasympathetic
What part of the eye lines 2/3 of the posterior of the eye retina
______ of the retina detect wavelengths of visible light rods
These are most abundant in the center of the retina cones
_______ centralis are small depressions in the macula Fovea
Less melanin appears as white. True/False False. it appears as blue
Tears are released by the ________ ducts and blinking spreads them lacrimal
Tears contain 20%,10%, or 1% NaCI and lysozyme 1%
Name four of the six muscles of the eyeball superior oblique, superior rectus, medial rectus, lateral rectus, inferior rectus, inferior oblique
The _____ and ______ oblique rotate the eyeball side to side. superior, inferior
The ______, _______,_______,_______ rectus muscles move the eyeball up and down. superior, medial, lateral, inferior
How many layers are in the eye two
What is the thickest part of the eye sclera/ white part
The white part of the eye is made of fiberous connective tissue
Parts of the outer layer of the eye are sclera, cornea
The chorid layer of the eyeball contains most of the _______ _______ blood vessels
Vascular tunic is also known as the middle layer of the eyeball
Another name for the Fiberous tunic of the eyeball is outer layer
Superior and lateral to the eye with in the orbit lies the _______ _______ lacrimal glands
The eyelids are controlled by _______ _______ skeletal muscles
A thin membrane that lines the eyelid and covers the sclera is known as conjunctiva
Which part of the inner ear is responsible for dynamic equilibrium semicircular canals
_________ is controlled by the cerebellum and midbrain equilibrium
Each of the three fluid filled semicircular canals is stimulated by different movements of the head. True/False True
A bulb like area at the end of each canal is called _______ ampulla
Name the two sense organs inside the vestibule of the ear utricle and saccule
Inside each ampulla are sterocilia (hair cells) topped by the ________ cupula
The cupula floats in the __________ that fills the semicircular canals endolymph
Inside the inner ear is the _______ for hearing and the _______ for balance cochlea, vestibule
The cochlea is a stirrup shaped structure for hearing. True/False False. it is snail shaped
Parts of the outer include the ______ and _____ _____ auricle, ear canal
The _______ _____ contains the ossicles and is drained by the eustachian tubes middle ear
Three parts of the auditory ossicles are malleus, incus, stapes
The stapes looks like a ______ it transfers and amplifies sound stirrup
The auditory tubes extend from the ______ _____to the nasopharaynx middle ear
Parts of the middle ear include: eardrum, aduitory ossicles, auditory tubes, and otitis media
_______ results when chemicals come in contact with tastebuds Gustation
Name the 4 types of papillae on the tongue are vallate, foliate, filiform, fungiform
Taste buds are enhanced by _______ smell
Olfactory receptors detect vaproized chemicals in the _____ ______ cavity upper
Created by: sunshine63



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