The Reticuloendothelial System

question 30

Multiple Choice

The reticuloendothelial system

• A)is a support network of connective tissue fibers.
• B)originates in the cellular basal lamina.
• C)provides a passageway within and between tissues and organs.
• D)is heavily populated with macrophages.
• E)All of these choices are correct.

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Definitions:

Glutamate

An important neurotransmitter in the brain involved in learning and memory.

Melatonin

A hormone produced by the pineal gland that regulates sleep and wakefulness.

Testosterone

A steroid hormone produced primarily in the testes of males and the ovaries of females, playing key roles in health and disease, including influencing sexual function, muscle mass, and mood.

Progesterone

A hormone released by the ovaries which regulates the condition of the inner lining (endometrium) of the uterus and is essential for maintaining pregnancy.