The scientific study of structure, function, and pathology of the nervous system

Central Nervous System (CNS)

Consists of brain, spinal cord, spinal nerves, cranial nerves, and controls consciousness, the five senses and voluntary muscle actions.

Peripheral Nervous System (PNS)

A system of nerves that connects the peripheral (outer) parts of the body to the central nervous system. It contains sensory and motor nerves.

Autonomic Nervous System (ANS)

Controls involuntary muscles and regulates the action of smooth muscles, glands, blood vessels heart and even breathing.

largest most complex nerve tissue in the body, it controls sensation, muscles, activity of glands, and the power to think, sense, and feel.

originates in the brain and extends down to the lower extremity of the trunk

the primary structural unit of the nervous system

nerve fibers that carry impulses from the nerve cell and receive impulses from other neurons

nerve fibers that send impulses away from the cell body to other neurons glands or muscles.

Afferent Nerves/Sensory Nerves

nerve fibers that carry impulses from the sense organs to the brain

sensory nerve endings close to the skin surface

Effrent Nerves/Motor Nerves

nerve fibers that carry impulses form the brain to the muscles or glands producing movement

An automatic response to stimulus involving an impulse from a sensory receptor along the sensory nerve to the spinal cord.

supplies sensory function to the fingers

supplies sensory function to the thumb side of the arm and back of the hand.

supplies the arm and hand with sensory functions.

supplies sensory functions to the little finger side of the arm and palm of the hand

nerve extension that passes behind the knee and subdivides, supplying impulses to the knee, calf muscles, leg skin, and the sole heal and underside of the toes.

Common Peroneal Nerve

nerve extension that extends from behind the knee winds around the head of the fibula to the front of the leg.

Anterior Tibial Nerve/Deep Peroneal Nerve

Nerve that extends the front of the leg behind the muscles supplying impulses to the muscles and skin of the top of the foot on the first two toes side.

Musclo-Cutaneous Nerve/Superficial Peroneal Nerve

extends down the leg just under the skin supplying impulses to the muscles and skin of the leg as well as the skin and toes on top of the foot.

Dorsal-Cutaneous Nerve/Dorsal Nerve

Branch nerve that provides sensory function to the top of the foot.

supplies impulses to the skin of the inner side of the leg and foot.

supplies impulses to the skin on the outer side and back of the foot and leg.

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Milady ch 6 - 5

Nervous system vocabulary

Term	Definition
Neurology	The scientific study of structure, function, and pathology of the nervous system
Central Nervous System (CNS)	Consists of brain, spinal cord, spinal nerves, cranial nerves, and controls consciousness, the five senses and voluntary muscle actions.
Peripheral Nervous System (PNS)	A system of nerves that connects the peripheral (outer) parts of the body to the central nervous system. It contains sensory and motor nerves.
Autonomic Nervous System (ANS)	Controls involuntary muscles and regulates the action of smooth muscles, glands, blood vessels heart and even breathing.
Brain	largest most complex nerve tissue in the body, it controls sensation, muscles, activity of glands, and the power to think, sense, and feel.
Spinal Cord	originates in the brain and extends down to the lower extremity of the trunk
Neuron	the primary structural unit of the nervous system
Dendrites	nerve fibers that carry impulses from the nerve cell and receive impulses from other neurons
Axon/Axon Terminal	nerve fibers that send impulses away from the cell body to other neurons glands or muscles.
Afferent Nerves/Sensory Nerves	nerve fibers that carry impulses from the sense organs to the brain
Receptors	sensory nerve endings close to the skin surface
Effrent Nerves/Motor Nerves	nerve fibers that carry impulses form the brain to the muscles or glands producing movement
Reflex	An automatic response to stimulus involving an impulse from a sensory receptor along the sensory nerve to the spinal cord.
Digital Nerve	supplies sensory function to the fingers
Radial Nerve	supplies sensory function to the thumb side of the arm and back of the hand.
Median Nerve	supplies the arm and hand with sensory functions.
Ulnar Nerve	supplies sensory functions to the little finger side of the arm and palm of the hand
Tibial Nerve	nerve extension that passes behind the knee and subdivides, supplying impulses to the knee, calf muscles, leg skin, and the sole heal and underside of the toes.
Common Peroneal Nerve	nerve extension that extends from behind the knee winds around the head of the fibula to the front of the leg.
Anterior Tibial Nerve/Deep Peroneal Nerve	Nerve that extends the front of the leg behind the muscles supplying impulses to the muscles and skin of the top of the foot on the first two toes side.
Musclo-Cutaneous Nerve/Superficial Peroneal Nerve	extends down the leg just under the skin supplying impulses to the muscles and skin of the leg as well as the skin and toes on top of the foot.
Dorsal-Cutaneous Nerve/Dorsal Nerve	Branch nerve that provides sensory function to the top of the foot.
Saphenous Nerve	supplies impulses to the skin of the inner side of the leg and foot.
Sural Nerve	supplies impulses to the skin on the outer side and back of the foot and leg.

Created by: beckieharris

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