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Medical Terminology Chapts. 10 and 22


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Lower portion of the brain that connects the cerebrum with the spinal cord. The pons and the medulla oblongata are part of the brainstem.
Middle layer of the three membranes (meninges) that surround the brain and spinal cord.
Arachnoid Membrane
Part of a nerve cell that contains the nucleus.
Cell Body
Nerves that control involuntary body functions of muscles, glands, and internal organs.
Autonomic Nervous System
Microscopic fiber that carries the nervous impulse along a nerve cell.
The brain and the spinal cord make up the...?
Central Nervous System (CNS)
Part of the brain that coordinates muscle movements and maintains balance.
gray matter of the brain.
Cerebral Cortex
Fluid that circulates thoughout the brain and spinal cord.
Cerebrospinal Fluid (CSF)
Largest part of the brain.
Thick, outermost layer of the meninges surrounding and protecting the brain and spinal cord.
Dura Mater
A collection of nerve cell bodies in the peripheral nervous sustem.
Sheets of nerve cells that produce elevation in the surface of the cerebral cortex; convolution
The part of the brain just above the spinal cord; controls beathing, hear beat, and the size of blood vessels; nerve fibers cross over here.
Medulla Oblongata
Three protective membranes that surround the brain and spinal cord.
Microscopic structure consisting of axons and dendrites in bundles like strands of rope.
Crainial, spinal, and autonomic nerves make up the....?
Peripheral Nervous System
Large, interlacing network of nerves.
Organ that recieves a nervous stimulation and passes it on to nerves within the body.
Carry messages to the brain and spinal cord from a receptor.
Sensory Nerves
Change in the internal or external environment that evokes a response.
Depression or groove in the surface of the cerebral cortex.
Autonomic nerves that influence body functions involuntarily in times of stress.
Sympathetic Nerves

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