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प्रश्न
Define the following term:
Hymen
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उत्तर
The opening of the vagina in young females is partially closed by a thin membrane called the hymen (or virgin knot).
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संबंधित प्रश्न
Complete the paragraph with the help of words given in the bracket.
(Luteinizing hormone, endometrium of uterus, follicle stimulating hormone, estrogen, progesterone, corpus luteum)
Growth of follicles present in the ovary occurs under the effect of ______. This follicle secretes estrogen. ______ grows/regenerates under the effect of estrogen. Under the effect of ______, fully grown up follicle bursts, ovulation occurs and ______ is formed from remaining part of follicle. It secrets ______ and ______. Under the effect of these hormones, glands of ______ are activated and it becomes ready for implantation.
Explain the concept of IVF.
Name the Following
The term used when beard and mustache appear, harshening of voice, broadening of shoulders, etc. takes place.
Name the Following
Surgical operation of the fallopian tubes in females for family planning.
______ pollen mother cells should undergo meiotic division to produce 64 pollen grains.
Identify the distal narrow part of the duct opening into the uterus.
Read the following and answer from given below:
During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.
Site of fertilization in human is ______
Read the following and answer from given below:
Oogenesis is the process of the formation of an ovum in the ovaries. It consists of three phases: multiplication, growth, and maturation. Oogenesis is controlled by hormones GnRH, LH, FSH. GnRH secreted by the hypothalamus stimulates the anterior lobe of the pituitary gland to secrete LH and FSH.
Which hormone induces the rupture of the mature Graafian follicle?
What are various ways to avoid pregnancy? Elaborate any one method.
The ______ is also called the womb.
