A spermatozoon, in plural spermatozoa, or sperm cell is the male reproductive cell that is produced in the man´s testicles in a process called spermatogenesis. The sperm cell´s function is to enable sexual reproduction through its union with the female egg during fertilization. For this to...
REVIEW ARTICLE: What the Sperm Says and the Egg Hears – A Tale of Two Proteins and Moredoi:10.1111/j.1600-0897.2009.00758.xRichard BronsonBlackwell Publishing LtdBRONSON R (2009). What the sperm says and the egg hears - a tale of two proteins and more. Am J Reprod Immunol 62: ...
Sperm is found in semen, a whitish fluid that comes out of thepenisduring ejaculation. One ejaculation can release up to 500 million sperm. If semen reaches the vagina, millions of sperm travel up through the cervix. If they meet an egg, sperm may fertilize it and cause pregnancy. However...
Sperm count is a measurement of the number of sperm per milliliter of semen. Having a good sperm count can determine whether a...
Birth control pills are also called oral contraceptives, or the pill. It is medicine that helps prevent pregnancy by stopping ovulation. Ovulation is when the ovaries make and release an egg cell each month. If this egg gets fertilized by sperm, pregnancy occurs. You will need to take the ...
Abalone Shell lining is commonly called Mother of Pearl. However,true Mother of Pearl should be attributed to the oyster and not abalone. Because the shell is build up in rings which are bound together by a clinging glue-like substance, abalone shell is very strong. ...
a) When do mitosis and meiosis occur? Does meiosis occur when the sperm fuses with the egg? b) Explain what is spermatogenesis and oogenesis. What are the unique processes in meiosis that are not present in mitosis? How many chromosomes are in a cell at the beginning of meiosis?
Triple X syndrome happens either when there is a problem with the sperm or egg duringconceptionor because of an error in cell division during the embryo’s early stages of development. If triple X syndrome happens during early development, the baby might be born with a mosaic form of the co...
romantic way to conceive, planning when you have sex can increase the odds you’ll get pregnant. If you tend to ovulate on day 14 (the average), Greves suggests having sex on days 10, 12, 14, 16 and 18. “That can ensure that sperm is in there when the egg is released,” says....
During double fertilization in flowering plants, one sperm cell fuses with the egg cell to form a zygote, while the second sperm cell fused with two...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question ...