If you traced an ovum from the ovary to the uterine cavity, through which of the...

If you traced an ovum from the ovary to the uterine cavity, through which of the following listed spaces or structures would it pass thirdly?

(a) peritoneal cavity

(b) ampulla

(c) infundibulum

(d) isthmus

(e) uterine cavity

Expert Solution

The passage of ovum after it released from the ovary is as follows.
The ovum is released into the peritoneal cavity from the ovary.
Then it enters through the fimbriated end into the infundibulum .
From infundibulum it enters into the ampulla and later into the isthmus .
From isthmus it enters into the uterine cavity .
If ovum is fertilized then it occurs in the ampulla of the uterine tube or fallopian tube.
So, according to the given option the third structure thought which the ovum passes is ampulla. Hence option b is the right answer.
The first structure through the ovum is passed is peritoneal cavity.
Second structure is infundibulum.
Third is ampulla
Fourth structure is isthmus.
Fifth structure is uterine cavity.

Sydney Mullin answered 1 year ago

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