page_title: Testicle
section_title: Internal structure
hierarchical_section_title: Testicle / Structure / Internal structure
caption_attribution_description: Transverse section through the left side of the scrotum and the left testis.
context_page_description: Testicle or testis is the male reproductive gland or gonad in all animals, including humans. It is homologous to the female ovary. The functions of the testes are to produce both sperm and androgens, primarily testosterone. Testosterone release is controlled by the anterior pituitary luteinizing hormone; whereas sperm production is controlled both by the anterior pituitary follicle-stimulating hormone and gonadal testosterone.
caption: Transverse section through the left side of the scrotum and the left testis.
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