Inside the Skull, the Two Layers of the Dura Mater

question 43

Multiple Choice

Inside the skull, the two layers of the dura mater are separated in some regions by large blood vessels called _______.

• A) arachnoids
• B) pia mater
• C) sinuses
• D) meninges

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Definitions:

Ectotherms

Cold-blooded animals whose body temperature is regulated by external environmental conditions, unlike endotherms that regulate their body temperature internally.

Cuboidal Epithelial

Cuboidal epithelial cells are cube-shaped cells that make up the epithelium, functioning in secretion and absorption, found in many glands and ducts.

Myosin

A type of protein found in muscle fibers that acts with actin in muscle contraction and movement.

Ribose

A pentose sugar that is a crucial component of RNA (ribonucleic acid).