Match the following vocabulary terms with their meanings.

-Middle layer of the meninges surrounding the brain and spinal cord
A)acetylcholine
B)afferent nerve
C)arachnoid membrane
D)astrocyte
E)autonomic nervous system
F)axon
G)blood-brain barrier
H)brainstem
I)cauda equina
J)cell body

Question

Match the following vocabulary terms with their meanings.

-Middle layer of the meninges surrounding the brain and spinal cord
A)acetylcholine
B)afferent nerve
C)arachnoid membrane
D)astrocyte
E)autonomic nervous system
F)axon
G)blood-brain barrier
H)brainstem
I)cauda equina
J)cell body

Quizplus · Accepted Answer

The arachnoid membrane is the middle layer of the meninges.

Answer: G
 The blood-brain barrier is a selective barrier that separates circulating blood from the brain extracellular fluid in the central nervous system.

Answer: D
 Astrocytes are star-shaped glial cells in the brain and spinal cord that play important roles in neuronal signaling and support.

Answer: H
 The brainstem includes the midbrain, pons, and medulla and is responsible for basic vital functions such as breathing and heart rate.

Answer: I
 The cauda equina is a bundle of spinal nerves and nerve roots that originate at the bottom of the spinal cord and extend through the lower back.

Answer: J
 The cell body is the part of a neuron that contains the nucleus and other organelles, and is responsible for maintaining the cell's metabolism and functioning.

Answer: A, E
 Acetylcholine is a neurotransmitter involved in several functions such as muscle movement and memory. The autonomic nervous system is responsible for regulating involuntary functions such as heart rate and digestion.

Answer: B
 Afferent nerves are sensory nerves that carry signals towards the central nervous system.

Answer: F
 An axon is a long fiber that extends from the cell body of a neuron and carries signals away from the cell body towards other neurons, muscles or glands.

Match the Following Vocabulary Terms with Their Meanings