Hundreds of Substances Are Known or Suspected to Be Neurotransmitters

question 168

True/False

Hundreds of substances are known or suspected to be neurotransmitters.

---

Definitions:

Seminal Vesicles

Glands in the male reproductive system that produce the majority of the fluid in semen.

Prostate Gland

A gland in the male reproductive system that produces components of semen.

Seminal Fluid

A biofluid that contains spermatozoa and is secreted by the male reproductive organs, facilitating transport and survival of sperm during reproduction.

Spermatogenesis

The process by which a sperm develops from a spermatid.