We discuss how gender is intricately and inadvertently implied in stories where egg and sperm cells take centre stage; on the one hand the gametes imply the meaning of women and men, but, on the other, this displacement liberates cultural meaning-making processes. In this text, we explore ...
Drugs taken by males may be teratogenic if a consequent damage to the chromosomes of the spermatozoa is followed by fertilization of the egg by the damaged sperm cell. On the other hand, entry of drugs into semen or secretion of drugs in breast milk appears to have few, if any, barriers...
Do sperm really race to the egg? Estrogen may spur the body to make opioids after injury Latest in Anatomy Staring at the March 29 solar eclipse can cause eye damage in seconds — and you won’t even feel it happening New cells discovered in eye could help restore vision, scientists say...
, to maintain male fertility.3Spermatozoa are super specialized and terminally differentiated motile cells transfer the paternal genetic material into the egg.3,4 Unlike male, the female reproductive system is much more complicated. The organs are situated both externally and internally. The external ...
Sperm released from male jellyfish fertilize the eggs, which remain on the tentacles during early development. A fertilized egg develops into a ciliated larva, or planula, which settles on and attaches to a substrate (such as a rock) and develops into a polyp with a mouth and tentacles. ...
Fallopian tubes.These are narrow tubes that are attached to the upper part of the uterus and serve as tunnels for the ova (egg cells) to travel from the ovaries to the uterus.Conception, the fertilization of an egg by a sperm, normally occurs in the fallopian tubes. The fertilized egg th...
What is the term for cells (egg or sperm) resulting from a meiotic division of germ-line cells? a. gametes b. somatic cells c. zygotes d. none of the above a. What is meiosis? b. What are somatic or body cells and what are gametes or sex cells?...
A cell whose nucleus unites with that of a cell of the opposite sex to form a new organism. A reproductive cell contains only a single (haploid) set of chromosomes. Animal egg and sperm cells, the nuclei in grains of pollen, and egg cells in plant ovules are all reproductive cells. Als...
Related to Reproductive cells:gamete gam·ete (găm′ēt′, gə-mēt′) n. A reproductive cell having the haploid number of chromosomes, especially a mature sperm or egg capable of fusing with a gamete of the opposite sex to produce a zygote. ...
The diagram below shows two types cells in the human reproductive system.sperm egg(a) Name the organs in which the sperms and the egg are produced. [2]sperms:egg:(b)(i)State the process shown in the diagram above.[1](ii) Describe what happens during the process in b(i).[1] 相...