Testes

Diagram of the Human Endocrine Glands
Location of the Human Endocrine Glands

The testes (sing. "testis") are male-only endocrine glands in the human body. They are located in the scrotum.
Endocrine glands differ from "exocrine" glands in that exocrine glands have ducts (so may be referred to as "ducted") whereas endocrine glands do not have ducts (and so may be referred to as "ductless").

The main functions of the testes are the production of spermatoza and the secretion of male hormones."Spermatoza" is the plural form of the noun "spermatozoon", or (in more common non-clinical use) "sperm". Spermatoza develop in long convoluted "seminiferous tubules" of the testes that also contain sertoli cells which nourish the developing spermatoza.

The testes secret androgen hormones, which include testosterone and androsterone.

For a diagram indicating the locations within the body of each of the endocrine glands, see Endocrine Glands of the Human Body.

This may be of interest to students of courses in massage, reflexology, beauty therapies, and other first-level therapy or other health-related courses.

More about the Endocrine System

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