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45 terms

Anatomy Special Senses

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What's the sense of smell called?
Olfaction
Where are smell receptors located for olfaction?
Olfactory epithelium
What are the three cells in the olfactory epithelium called?
olfactory receptors, supporting cells, basal cells
Inititate olfactory response
Olfactory receptors
In olfactory, helps detoxify chemicals, provide nourishment and elictrical insulation for olfactory receptors
Supporting cells
In olfactory, Continually undergo cell division and produce new olfactory receptors
Basal Cells
In olfactory produce mucus that is carried to epithelial suface by ducts
Olfactory glands
In olfactory, supporting cells and olfactory glands are innervated by which cranial nerve?
Facial Nerve
Which sensations are the only ones that reach the cerebral cortex without first synapsing in the thalamus?
Olfactory
Taste is also known as
Gustation
Where are receptors for taste located?
Taste buds
What are the three cells in a taste bud?
gustatory receptors cells, supporting cells, and basal cells
In gustation, what do supporting cells contain?
Microvilli
A single long microvillus in gustatory area
Gustatory hair
Opening in the taste bud
Taste Pore
Where are taste buds found
In papillae
What are the three types of papillae that contain taste buds?
circumvallate, fungiform, foliate
Which papillae contain no taste buds?
filiform papillae
What is another name for the upper and lower eyelids?
Palpebrae
The space between the upper and lower eyelids that exposes the eyeball?
Palpebral fissure
Which area of the eye contains sebacious glands and sweat glands?
lacrimal caruncle
Which tissue gives form and support for the eyelids?
Tarsal plate
These glands secrete fluid that stop the eyelid from sticking to itself
Tarsal glands
thin, protective mucous membrane composed of nonkeratnized goblet cells in eye
conjuctiva
Infections of sebacous cilliary gland in eye
Sty
Structures that produce and drain tears
lacrimal apparatus
What's the flow of tears?
lacrimal gland, lacrimal duct, superior or inferior lacrimal canal, lacrimal sac, nasolacrimal duct, nasal cavity
Outer layer of the eye
Fibrous tunic
White part of the eye
sclera
Middle layer of eyeball
vascular tunic
Contains melanocytes, highly vascularized, provides nutrients to retina
Choroid layer
Colored portion of eyeball
Iris
Opening of iris
pupil
Which provides black and white vision?
Rods
Which provides color vision?
Cones
What's the visual pathway?
Optic nerve, optic chiasm, optic tract, lateral genicuate nucleus of thalamus, optic radiation, primary visual area
Part of the ear that collects soundwaves
External ear
Part of the ear that conveys sound vibration to windows
Middle ear
Houses the receptors for hearing and equilibrium
Internal ear
What's the hearing mechanism?
see book
What's the auditory pathway?
see book
Position of the body in relation to gravity
Static equilibirum
Maintenence of body in relation to suddent movements
Dynamic equilibrium
Otoliths
Ear stones
These ducts function in dynamic equilibrium
Semicircular ducts