nervous system & special senses

the peripheral nervous system is composed of

the brain and spinal cord are components of the

Schwann cells are located on the neurons forming

within the nervous system there are more _______ than _____

bipolar neurons have

the fx of dendrites is to

bundles of axons generally travel together as

the axon is not insulate with myelin at the

multiple sclerosis is caused by deterioration of the patches of

a restin neuron is

a nerve impulse is the same thing as the

the ions that maintain the ionic imbalance in a resting neuron are

the neuron repolarizes after a nerve impulse passes by the influx of

when stimulated, the membrane of the neuron

a synapse occurring between a neuron and a muscle cell is called a

once acetylcholine has been utilized in a synapse, it is

the two main divisions of the nervous system are the

afferent nerves are also called

the two main types of cells in the nervous system are

glial cells with long processes to help form the blood-brain barrier are

Provides support to the nerve cells

neurons with a single extension functioning as both an axon and dendrite are called

the nucleus of a neuron is found in the

nerve cell extensions specialized to receive nerve impulses are the

chemicals released by neurons at hte synaptic knobs are called

the neurofibril nodes are places on the dendrite where there is

a mass of cell bodies of several neurons

the place where an axon comes close to, but does not join a dendrite, is called a

to stimulate a nerve impulse, a stimulus alters the resting potential by increasing the permeability of the

an action potential, a wave of depolarization in a nerve cell, is the same as a

The release of neurotransmitters into the synaptic cleft is allowed through what process

the three neurotransmitters of the catecholamine group are

interneurons make up most of the

most cell bodies of neurons of the PNS are located

most nerves contain

white matter of the nervous system is white because

the cerebrospinal fluid may be found

the dorsal nerve roots are the sites of

destruction of the ventral nerve roots will result in

the descending tracts in the spinal cord

the outer protion of the cerebrum is composed of

area's for hearing are located in the cerebrum's

the ventricles of the cerebrum carry the

the thalamus and hypothalamus are both located in the

nerve cells located in the midbrain fx as

the glossopharyngeal nerve has sensory and motor functions relating to the

axons normally carry information __________ the nerve cell body

dendrites carry information ___________ the nerve cell body

which cranial nerves extend beyond the head and neck

sensory, or afferent, nerve fibers carry information

the three connective tissue membranes covering and protecting CNS structures are collectively known as the

The outermost layer of the meninges is the

the part of the CNS contains the midbrain, pons, and medulla oblongata is

between successive Schwann cells, there are gaps in the myelin sheath called

the ________ produces cerebrospinal fluid

the part of the brain concerned with water balance, appetite, and regulating body temperature is the

the corpus callosum connects the

dendrites

axons

CNS neuroglial cells

astrocytes

microglial cells

ependymal cells

oligodendrocytes

PNS neuroglial cells

neurolemmocytes

satellite cells

White matter does what

the cerebral hemisphere is

The thalamus does what

the cerebellum is for

The blood brain barrier does not protect against

The spinal cord extends from________ to the region of ________

afferent nerves carry impulses

efferent nerves carry impulses

What are the three sensory cranial nerves

I-Olfactory Nerve

II-Optic nerve

III-Oculomotor nerve

IV-trochlear nerve

V-trigeminal nerve

VI-Abducens nerve

VII-Facial

VIII-vestibulocochlear

IX-glossopharyngeal

bitter taste buds are located at the

X-vagus nerve

XI-Accesory

XII-hypoglossal

What are the four types of taste

the exchange of ions in neurons initiates an

The sclera is

the iris is the

The external ear consist of

The middle ear starts at the

The inner ear consists of

the cochlea contains the

the fx of the vestibule is

the area where the optic nerve enters is

the area of best visual acuity

somatic impulses of the CNS control

visceral impulses of the CNS control

the dura mater

enlargement of the spinal cord occurs in the

The cuada equina is

Cranial nerve III-Oculomotor

Cranial nerve VI-Abducens nerve

Cranial nerve IX-Glossopharyngeal

Cranial nerve XII-Hypoglossal

What gives shape to the eye, protects, an attachment site for extrinsic eye muscles, and is made of white fibrous connective tissue

The cornea is

The blind spot of the eye is in the

The cranial nerves for the eye are

shell shaped structure made of elastic cartilage in the ear

Three parts to the Inner Ear (Labyrinth)

a delicate membrane that lines the eyelids and covers parts of the outer surface of the eyeball is called the

the area of the retina containing only cone cells is the

the auditory tube is located between the

the portion of the fibrous tunic that is white in color is the

the transparent anterior portion of the fibrous tunic is the

the maculae of the vestibule record__________, while the crista of the semicircular canals record__________

the receptors for _________and _________ are classified as chemoreceptors

Olfactory cells are located in the

The malleus is connected to the

the outer layer fo the wall of the eye is composed of the

the vitreous humor of the eye may be found between the

the iris is composed of

the color of a person's eyes depends upon which pigments are contained in the

the conjunctiva is a mucous membrane covering the _________ and lining the ________

tears are produced by a set of glands next to the eyeball and known as the

the rod-shaped cell of the retina permit vision where there is

the highest concentration of rod-shaped cells is at the

an inverted image is converted into an upright image at the

the process of accommodation for near vision is due to the

a person who suffer from nearsightedness can be assisted by glasses having

a person suffering from farsightedness can be helped by wearing glasses with

in a person who is farsighted the image forms

color blindness is the result of

the auditory tube leads from the

sound vibrations ar econducted from the stapes to the perilymph of the cochlea by the

molicules stimulating the sour taste are mostly detected at the

the taste buds send their impulses to the brain for interpretation utilizing the

the olfactory nerve is primarily concerned with carrying impulses from the

the utricle, saccule, and vestibule are all concerned with the sense of

the nerve that transmits impulses from the eye to the brains is the

the two components of the outer layer of the eyeball are the

the posterior chamber of the eye is found between the

the neurons receiving impulses initiated by rod and cone cells are

the mucous membrane folded over part of the eyeball and lining the eyelid is the

tears are produced in the eye to bath the eyeball by the

the principal sx for focusing light rays on the retina is the

what condition is due to an irregular curvature of the lens or cornea

the major site for hearing perception in the brain is the temporal lobe of the

the three middle ear bones that transmit sound waves are known as the

the variety of smells that the body can detect is

the semicircular canals of the inner ear are concerned primarily with the sense of