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location of general senses skin, various organs and joints
location of specialized senses eyes and ears
________ receptors collect info from the enviroment? sensory
When the brain becomes aware of sensory impule it is known as a? sensation
5 types of receptors 1. chemoreceptors2. painreceptors3. thermoreceptors4. mechanoreceptors5. photoreceptors
what receptor respond to light photoreceptors
what receptor resonds to pressure mechanoreceptors
chemical concentration changes are detected by chemoreceptors
temperature changes are detected by thermoreceptors
what receptor responds to tissue damage pain receptors
what is meant by the term projection when discussing sensation brain pinpoints where sensation is coming from
what is meant by sensory adaptation ability to adapt
what is needed for the impule to continue to trigger an impule stronger stimulus
3 groups of senses considered general sesnes. 1. exteroreceptive2. viscerorecptive3.proprioreceptive
____ senses sense changes in the viscera, such as blood pressure visceroreceptive
senses associated with changes in tendons and muscles are called proprioreceptive
temp, pain, and touch are associated with what senses exteroceptive
_____ corpuscles detect fine touch in dermis Meissner's
_____ corpuscles detect heavy pressure(pain). pacinan
simplest receptors found in the epithelial tissue are known as free nerve endings
___ receptors respond to temp. below 50 pain
___ receptors respond to temp between 50 and 68 cold
___ receptors resond to temp between 77 and 113 warm
receptors resond to temp above 113 pain
describe the pain receptors in brain tissue lacks pain receptors
how do pain adapt to repeated impules of pain very little if at all
describe what is known as referred pain pain is not pinpointed
dull, aching pain is carried by chronic pain fibers
sharp pain is carried by acute pain fibers
acute pain fibers carry impules more quickly because they are myelinated(insulated)
the what of the brain determines the intensity of the pain, and the emotional and motor reaction to the pain. cerebral cortex
list 3 pain killing substances produces by the body 1. enkephlins 2. serotonin 3. endorphins
where in the body are stretch receptors found muscles and tendons
name four special senses tates, smell, hearing, sight
four step pathway of an olfactory impule olfactory nerve- olfactory bulb- olfactory tracts- limbic system
spicy food activate____ receptors pain
another name for eardrum? tympanum membrane
outer ear the catches vibrations auricle
the area of the ear that contains the ceruminois glands is the external auditory meatus
auditory ossicles malleus. incus. stapes
____ tube empties into the pharynx and keeps pressure equal on both sides of the eardrum auditory
the actual hearing organ of the inner ear is the cochlea
the what and what are associated with equilibrium the semicircular canals and vestibule
____ equilibrium means determining body position while only head is moving dynamic
list 3 visual accessory organs eyelids. lacrimal apparatus. extrinsic eye muscles.
term for eyelid palpebra
closing the eyelid is the orbicularis oculi
opening the eyelid is the levator palpebre superious
lining eyelid conjuctiva
what glands secrete oil onto eyelashes tarsal
tears produced by what gland lacrimal
where are the lacrimal glands located superior lateral side
emptying tears into the nasal cavity is the? nasolacrimal duct
light is first refracted by the ____ as it enters the eye cornea
the protective outer white layer of the eye sclera
extra light that enters the eye that dilates and constricts the pupil iris
the lens is moved for focusing by the ciliary body
the second refracting layer found in the eye is biconvex lens called lens
inner layer of the eye that contains the rods and cones is retina
gel that holds the lens in place is vitreous humor
the area of the retina that produces the sharpest image fovea centralis
____ shaped lens causes light rays to diverge concave
___ shaped lens causes light rays to converge convex
describee actual image being focused upon the retina upside down and reversed left to right
____ cells detect color vision cones
____ cells detect light rods
name the 3 pigments found in cone cells erythrolabe(red). chlorable(green). cyanolabe(blue)
steroscopic vision provides perception of ___ and ____ distance and depth
list 3 age related visual problems glaucoma, cataracts, mascular degeneration
near sightedness called? myopia
farsidedness? hyperpia
in myopia, where is focal point of image located with respect to retina? front
in hyperpia where is the focal point of the image located? back or beyond retina.
Created by: Mollie28