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प्रश्न
What changes are observed in the uterus subsequent to the implantation of a young embryo?
What changes are observed in the uterus subsequent to the implantation of a zygote?
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उत्तर
Subsequent to implantation of a young embryo, the lining of the uterus becomes thick and is richly supplied with blood vessels to nourish the growing embryo. A disc-shaped placenta becomes embedded in the uterine wall to provide nutrition and oxygen to the embryo.
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संबंधित प्रश्न
Differentiate between:
Implantation and pregnancy
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.
The diagram alongside is the vertical section of female reproductive organs. Study the diagram and answer the questions that follow:
(i) Name the fully developed part of ovary containing the ovum.
(ii) Name the organ of the female body in which the foetus develops.
(iii) What is ovulation?
(iv) Which two hormones are secreted by ovary?
Name the Following
The hormone that stimulates the contraction of the uterus during childbirth.
Give Technical Term:
What term is used for the arrest of reproductive capacity in females?
State names of organs in the female reproductive system.
Complete the table.
| Sex/Gender | Reasons of infertility |
| Female | |
| Male |
The largest cell in the human body of a female is ______.
______ is homologous to Bartholin's glands.
Primordial follicle cells undergo mitotic division to produce ______.
The estrus cycle is a characteristic of ______.
The second maturation division of the mammalian ovum occurs ______.
Which of the following is correct about mammalian testes?
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.
what is the function of hormones FSH?
Mother gives birth to a baby but the baby has characters of both parents. How is this possible?
The ______ is also called the womb.
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
Which structure is a thin membrane partially covering the vaginal opening and has variable presence?
Where do alveoli store milk?
What is formed when tubules of each mammary lobe join?
