Physiology · Endocrine System · Easy

Testosterone

Meaning: The main male sex hormone, produced mainly in the testes, that drives muscle growth, libido and sperm production.

In practice: Low testosterone was found in the man presenting with fatigue and reduced libido.

Quick check

Two questions on related physiology words.

Which word means: The process of giving birth; labour and delivery.

Which word means: A chemical messenger released by a nerve cell to pass a signal across a synapse to another cell.

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