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प्रश्न
What is meant by implantation?
What is implantation?
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उत्तर
Implantation is the embedding of the embryo in the thick lining of the uterus.
संबंधित प्रश्न
What are sexually transmitted diseases?
Which structure in human female is equivalent to the vas deferens in the male?and in what respect the structures are equivalent?
Which structure in human female is equivalent to the penis in the male?and in what respect the structures are equivalent?
Where does fertilisation take place in human females?
Which one of the following best describes the function of the umbilical cord? It :
(a) feeds the embryo with digested substances.
(b) conveys nutrients and wastes to and from the embryo respectively
(c) removes waste matter from the embryo to the mother's blood.
(d) supplies oxygenated blood from the mother to the embryo.
Which among the following are not the functions of testes at puberty?
(i) formation of germ cells
(ii) secretion of testosterone
(iii) development of the placenta
(iv) secretion of estrogen
The ratio of the number of chromosomes in a human zygote and a human sperm is ______
Complete the following statement by choosing the correct alternative:
Sterilization in female is due to cutting off of ______.
Define the four stages in the uterine cycle.
Which stage of human reproduction involves the fusion of sperm and egg to form a zygote?
