Anatomy Special Senses

45 terms by jennlett

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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

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