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The [[Male Reproductive Tract -The Testes and Epididymis - Anatomy & Physiology|testes]] produce three main [[Endocrine System - Hormones - Anatomy & Physiology|hormones]].

The [[Male Reproductive Tract -The Testes and Epididymis - Anatomy & Physiology|testes]] produce three main [[Hormones - Anatomy & Physiology|hormones]].

|<font color=Purple>Testosterone</font>

|<font color=Purple>Testosterone</font>

|Leydig Cells

|Leydig Cells

|GnRH from the [[Endocrine System - Hypothalamus - Anatomy & Physiology|Hypothalamus]] causes LH secretion from the [[Endocrine System - Pituitary Gland - Anatomy & Physiology|Pituitary Gland]] which stimulates the Leydig Cells.

|GnRH from the [[Hypothalamus - Anatomy & Physiology|Hypothalamus]] causes LH secretion from the [[Pituitary Gland - Anatomy & Physiology|Pituitary Gland]] which stimulates the Leydig Cells.

|This hormone controls and maintains the growth and functions of the reproductive organs. It enhances libido and is essential for spermatogenesis.

|This hormone controls and maintains the growth and functions of the reproductive organs. It enhances libido and is essential for spermatogenesis.

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|<font color=Purple>Inhibin</font>

|<font color=Purple>Inhibin</font>

|Sertoli Cells

|Sertoli Cells

|GnRH from the [[Endocrine System - Hypothalamus - Anatomy & Physiology|Hypothalamus]] causes FSH secretion from the [[Endocrine System - Pituitary Gland - Anatomy & Physiology|Pituitary Gland]] which stimulates the Sertoli Cells.

|GnRH from the [[Hypothalamus - Anatomy & Physiology|Hypothalamus]] causes FSH secretion from the [[Pituitary Gland - Anatomy & Physiology|Pituitary Gland]] which stimulates the Sertoli Cells.

|Prevents secretion of further FSH from the [[Endocrine System - Pituitary Gland - Anatomy & Physiology|Pituitary Gland]].

|Prevents secretion of further FSH from the [[Pituitary Gland - Anatomy & Physiology|Pituitary Gland]].

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|<font color=Purple>Oestradiol<font>

|<font color=Purple>Oestradiol<font>

|Sertoli Cells

|Sertoli Cells

|GnRH from the [[Endocrine System - Hypothalamus - Anatomy & Physiology|Hypothalamus]] causes FSH secretion from the [[Endocrine System - Pituitary Gland - Anatomy & Physiology|Pituitary Gland]] which stimulates the Sertoli Cells.

|GnRH from the [[Hypothalamus - Anatomy & Physiology|Hypothalamus]] causes FSH secretion from the [[Pituitary Gland - Anatomy & Physiology|Pituitary Gland]] which stimulates the Sertoli Cells.

|Converted from testosterone, this hormone's function is complex. It may prevent apoptosis of male germ cells.

|Converted from testosterone, this hormone's function is complex. It may prevent apoptosis of male germ cells.

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