Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Sense Organs

Chapter 11

QuestionAnswer
Scattered throughout our body are __________________ Sensory receptors
React to chemical Chemoreceptors
pressure stretch vibration Mechanoreceptors
temperature Thermoreceptors
Pain Mociceptors
Light Photoreceptors
Abundant in the skin and mucous membranes Fast pain fibers
Deep Body Organs Slow pain fibers
Large papillae found on the rear of the tongue Vallate papillae
Form Ridges at the sides of the tongue Foliate Papillae
Thread-like papillae that contain no taste buds Filiform papillae
concentrated at the tip and sides of tongue fungiform papillae
Olfaction Sense of smell
Incoming odor molecules bind to cilia olfactory receptor cells
stimulates an impulse along nerve fibers nasal epithelium
neurons leave the nasal cavity through pores in the _______________________ Ethmoid bone
Visible part of ear Auricle (pinna)
leads through the temporal bone into the eardrum auditory canal
Opening of the auditory canal to the outside of the body external acoustic meatus
Malleus Hammer
Incus Anvil
Stapes Stirrup
Typanic membrane AKA ___________ Eardrum
vibrates freely in response to sound wave Typanic membrane (eardrum)
Ossicles Middle ear
structures are crucial for the maintenance of equilibrium Semicircular canals
Entrance to the labyrinths Vestibule
Snail like structure Cochlea
Triangular duct AKA __________ Cochlear Duct
Hearing sense organ Organ of corti
within the temporal bone contains ______________________ The inner ear
Fluid between 2 labyrinths Perilymph
_______________ Occupies the inside of the membranous labyrinth Endolymph
Three separate structures from the bony lambyrinth Semicircular, vestibule, cochlea
Vibration spreads through the malleus, the ________ and the Stapes Incus
Anything that interferes with the transmission of vibrations to the inner ear conductive hearing loss
Death of hair cells in the organ of Corti Semsoromeiral hearing loss
Palpebral fissure Opening of the eyelids
Palpebrae Eyelids
Blufer Eyelid
hairs along the edge of eyelids Eyelashes
mucous membrane that lines the inner surface of eyelid conjuctiva
Thickened area at the edge of the eye Tarsal gland
small glands the secrete tears lacrimal gland
passageway that carries tears though nasal cavity nasolacrimal duct
Study of the eye Ophthamology
Tiny pore which tears drain lacrimal punctum
Tear ducts AKA ______________ Lacrimal apparatus
Consisting of sclera and cornea Fibrous outer layer
Consisting of choroid, ciliary body and iris Vascular middle layer
consisting or retina, optic nerve, and blood vessels Neural inner layer
Formed from dense connective tissue Sclera
Thin layer of light sensitive cells Retina
Cranial nerve II optic nerve
Exiting the posterior of the eyeball is ________________ Optic nerve
Transparent extension of the sclera Cornea
Ring of colored muscle Iris
Central opening of the iris Pupil
controls the amount of light that enters the eye Pupil
Thickened extension of the choroid Ciliary body
highly vascular layer of tissue Choroid
Supplies oxygen and nutrients to the retina and sclera Choroid
Inside the macula lutea is a depression called ________ Fovea Centralis
Medial to the macula lutea is the ________________ Optic disc
Rods and cones Photoreceptors
To look through the pupil to back of eye ophthalmoscope
Space between the cornea and lens Anterior cavity
Clear watery fluid Aqueous humor
Transparent disc of tissue just behind pupil Lens
changes shape for near and for vision lens
larger cavity lying posterior to the lens posterior cavity
jelly like substance VITREOUS HUMOR
CANAL OF SCHLEMM BLOOD VESSEL
BENDING OF LIGHT RAYS REFRACTION
LINES UP THE VISUAL AXIS OF EACH EYE TO THE OBJECT CONVERGENCE
DOUBLE VISION AKA ____________ DIPLOPIA
Normal Vision Emmetropia
Nearsightedness Myopia
farsightedness hyperopia
uneven curvature of the cornea astigmatism
loosing ability to change shape of lens presbyopia
Shapness of visual perception visual acuity
The diminishing of a sensation that occurs after continuous exposure to a stimulus Adptation
Drug used to relieve pain analgesic
clear watery fluid that fills the anterior cavity of eye aqueous humor
complicated system of passageways within temporal bone contains inner ear bony labyrinth
sense of taste gustation
spot where nerve fibers leave the retina optic disc
Muscle that encircles the pupil pupillary constrictor
looks like spokes of a wheel pupillary dilator
A lesion on the brains occipital lobe can cause _____________ Blindness
The "C'' in cones represents Color
Nociceptors are receptors that respond to _______________________ Pain from tissue damage
true source of pain can be difficult to identify because sensory impulses from the different area of the body often travel to the brain on the same pathway
LINES THE INSIDE OF THE BONY LABYRINTH MEMBRANOUS LABYRINTH
CENTER POINT OF THE RETINA MACULA LUTEA
HEARING SENSE ORGAN ORGAN OF CORTI
PHOTORECEPTORS IN THE RETINA ACTIVE IN DIM LIGHT RODS
SCLERA OUTERMOST LAYER OF THE EYE
VITREOUS HUMOR JELLY-LIKE SUBSTANCE THAT FILLS POSTIERIOR CAVITY OF THE EYE
Created by: Stacey Mayo