What Contains a Spider Web-Like Network of Cells and Fibers

question 73

Multiple Choice

What contains a spider web-like network of cells and fibers through which cerebrospinal fluid flows?

• A) subdural space
• B) dural sinus
• C) falx cerebri
• D) subarachnoid space
• E) pia mater

---

Definitions:

AChE

Acetylcholinesterase, an enzyme that breaks down acetylcholine, a neurotransmitter, in the synapse, terminating the signal between nerves.

Relaxation Phase

The phase in the cardiac cycle or muscle contraction where the muscle returns to its initial state of relaxation.

Sarcoplasmic Reticulum

A network of tubules and sacs in muscle cells that store and regulate calcium ions, crucial for muscle contraction.

Depolarization

A reduction in the difference in voltage across a cell's plasma membrane, which is fundamental in the propagation of nerve impulses.