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प्रश्न
Explain the role of hormones in reproduction.
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उत्तर
- The primary hormones that regulate reproduction are the steroids such as androgens, estrogens, and progesterone. which have masculinizing, feminizing, and gestational effects respectively.
- These hormones are secreted from the gonads which are regulated by the anterior pituitary (adenohypophysis).
- Follicle Stimulating Hormone (FSH):
FSH in a female influence the development of the Graafian follicle and secretion of estrogens. In a male, it is necessary for the development of seminiferous tubules, and for spermatogenesis. - Luteinizing Hormone (LH): In a female, it is the hormone necessary for ovulation, and the secretion of the luteal hormone progesterone, and for the final maturation of the Graafian follicle. In a male, it stimulates the interstitial (Leydig) cells of the testes and the secretion of testosterone and is referred to as the Interstitial Cell Stimulating Hormone (ICSH).
- Prolactin (PRL) or Lactogenic Hormone:
The main function of this hormone is milk secretion during lactation. - Oxytocin Hormone:
Oxytocin causes the expulsion of milk from the breast and it is also involved in the contraction of smooth muscles of the uterus during childbirth.
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संबंधित प्रश्न
________ are the chemical substances, secreted by endocrine glands.
________ is secreted by the ovaries of female.
Complete the following sentence.
In females, the uterine wall thickens to receive the ______.
Complete the following sentence.
Release of sex hormones is under the control of a hormone secreted from the ______.
Give a suitable word for the following statement.
Chemicals which control changes at adolescence stage.
Name the hormone which would be released during the following situations:
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______ hormone stimulates the testes to produce androgens.
______ is the male sex hormone.
The hormone ______ is involved in the contraction of uterine muscles during childbirth.
The FSH is required for spermatogenesis in males.
