Question

Mention the site of fertilization of human ovum . list the events that follow the sequence until the implantation

Answer 1

site of fertilisation is ampulla-isthmus junction
after fertilisation cell division and cell differentiation occur in zygote

Answer 2

The site of fertilization in human ovum is the ampullary- isthmic junction in the fallopian tube.
The sequence of events that follow the sequence until the implantation are:
(i) Insemination.
(ii) Movement of the sperms from cervix to ampullary- isthmic junction.
(iii) Fertilization.
(iv) Cleavage
(v) Movement of blastocyst towards the uterus.
(vi) Attachment of trophoblast layer to the endometrium
(vii) Embedding of blastocyst into the endometrium of the uterus.
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