cryptosporidium spp, has oocyte which is passed in feces.
In humans, oocytes are typically fertilized in the fallopian tubes. These tubes are also known as oviducts.
polar body
first polar body
ovum is the product after the secondary oocyte fuses with sperm
plasma membrane of the oocyte!
oocyte
Primordial, secondary, tertiary, and antral are the basic steps in a developing oocyte
Unfertilized egg is haploid; but fertilized egg is diploid. That is why you sometimes see chickens even in commercial eggs.
follicle cells
oocyte
The fallopian tubes also knows as the uterine tubes transport the secondary oocyte or the fertilized egg to the uterus.
Sperm has enzymes that breakdown the outer coat of the oocyte. It takes many sperm with all their enzymes working together to accomplish this.
At fertilization the secondary oocyte completes its second meiotic division