Figure 11- 1 the Neuron

question 155

Multiple Choice

Figure 11- 1 The Neuron
Use Figure 11- 1 to answer the following questions:
-Adrenergic synapses release the neurotransmitter

• A) norepinephrine.
• B) acetylcholine.
• C) dopamine.
• D) GABA.
• E) serotonin.

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Definitions:

Spermatogenic Cells

Cells located in the testis that undergo meiosis to produce spermatocytes, which ultimately develop into mature spermatozoa.

Seminiferous Tubule

Narrow, coiled tubules within the testes where sperm are produced and mature.

Lumen

The interior space or cavity of a tubular structure, such as a blood vessel or intestine, through which liquids and substances move.

Semen

The fluid that is ejaculated from the male reproductive system and contains sperm and other substances that aid in fertilization.