
The source of male sex hormones is
A. Interstitial cells of the testis
B. Cells lining the seminal vesicles
C. Cells lining vas deferens
D. The acrosomal vesicles
Answer
459.3k+ views
Hint: In males and females, the sex hormones are responsible for the development of sexual characteristics and maturation of gonads. The mature gonads produce gametes or the sex cells which are responsible for sexual reproduction. The sperms are the gametes of the males.
Complete answer:
-Sex hormones are the hormones or chemical substances that are produced through specific cells of the reproductive systems of the organisms. These hormones affect the growth, maturation and development of gametes and other organs of the reproductive system. Sex hormones are sex steroids. The important sex hormones are testosterone and estrogen.
-The testosterone is the main male sex hormone and affects the major male physical features. It plays an important role in the development of reproductive organs such as testes and prostate. It is biosynthesized from cholesterol in the liver. Testosterone is produced in the interstitial cells of the testis. -Testes is the male reproductive gonad and produces both the male sperm and hormone testosterone. The interstitial cells are known as the Leydig’s cells. These cells are localized in between the seminiferous tubules of the testes. The Leydig’s cells contain numerous lipids filled vesicles. These cells release the testosterone through the stimulation of the LH hormone released from pituitary.
-The seminal vesicles are laid by layers of cells which are known as germ cells. These germ cells through maturation give rise to the sperms. The germ cells develop into different cells such as spermatogonia, spermatocytes, spermatids and spermatozoa.
-The vas deferens are lined by the pseudostratified columnar epithelium and basal cells. The cells that line the vas deferens are neither related to hormone production but it transports the sperms to the ejaculatory ducts.
-Acrosomal vesicles are present in the acrosomal cap of the sperms. It spreads in a thin layer over the pole of the nucleus. It functions in the digestion of the outer layer of egg by specific enzymatic reactions.
Hence, the correct answer is option (A).
Note: Testosterone is the male sex hormones which is responsible in development of male reproductive organs. The male gonads are the testes which is responsible for the secretion of testosterone and male gonads or the sperms. The hormone testosterone is produced by the interstitial cells of the testis.
Complete answer:
-Sex hormones are the hormones or chemical substances that are produced through specific cells of the reproductive systems of the organisms. These hormones affect the growth, maturation and development of gametes and other organs of the reproductive system. Sex hormones are sex steroids. The important sex hormones are testosterone and estrogen.
-The testosterone is the main male sex hormone and affects the major male physical features. It plays an important role in the development of reproductive organs such as testes and prostate. It is biosynthesized from cholesterol in the liver. Testosterone is produced in the interstitial cells of the testis. -Testes is the male reproductive gonad and produces both the male sperm and hormone testosterone. The interstitial cells are known as the Leydig’s cells. These cells are localized in between the seminiferous tubules of the testes. The Leydig’s cells contain numerous lipids filled vesicles. These cells release the testosterone through the stimulation of the LH hormone released from pituitary.
-The seminal vesicles are laid by layers of cells which are known as germ cells. These germ cells through maturation give rise to the sperms. The germ cells develop into different cells such as spermatogonia, spermatocytes, spermatids and spermatozoa.
-The vas deferens are lined by the pseudostratified columnar epithelium and basal cells. The cells that line the vas deferens are neither related to hormone production but it transports the sperms to the ejaculatory ducts.
-Acrosomal vesicles are present in the acrosomal cap of the sperms. It spreads in a thin layer over the pole of the nucleus. It functions in the digestion of the outer layer of egg by specific enzymatic reactions.
Hence, the correct answer is option (A).
Note: Testosterone is the male sex hormones which is responsible in development of male reproductive organs. The male gonads are the testes which is responsible for the secretion of testosterone and male gonads or the sperms. The hormone testosterone is produced by the interstitial cells of the testis.
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