![]() ![]() Far from being produced, as sperm are, they merely sit on the shelf, slowly degenerating and aging like overstocked inventory: “Textbook descriptions stress that all of the ovarian follicles containing ova are already present at birth. “In the classic text Medical Physiology, edited by Vernon Mountcastle, the male/female, productive/destructive comparison is more explicit: “Whereas the female sheds only a single gamete each month, the seminiferous tubules produces hundreds of millions of sperm each day” (emphasis mine ).” (486) Luciano, Human Physiology: The Mechanisms of Body Function, 3d ed. Perhaps the most amazing characteristic of spermatogenesis is its sheer magnitude: the normal human male may manufacture several hundred million sperm per day.” -Arthur J. ![]() “The mechanisms which guide the remarkable cellular transformation from spermatid to mature sperm remain uncertain …. One of the texts that sees menstruation as failed production employs a sort of breathless prose when it describes the maturation of sperm: Male reproductive physiology is evaluated quite differently. By extolling the female cycle as a productive enterprise, menstruation must necessarily be viewed as a failure. “In the case of women, the monthly cycle is described as being designed to produce eggs and prepare a suitable place for them to be fertilized and grown-all to the end of making babies. “Part of my goal in writing this article is to shine a bright light on the gender stereotypes hidden within the scientific language of biology. “As an anthropologist, I am intrigued by the possibility that culture shapes how biological scientists describe what they discover about the natural world.” (485) Egg and sperm: A scientific fairy tale What factors determine semen volume? (n.d.).The Egg and the Sperm: How Science has Constructed a Romance Based on Stereotypical Male-Female Roles.Presence of sperm in pre-ejaculatory fluid of healthy males. Sperm biology from production to ejaculation. Dimensions of human ejaculated spermatozoa in Papanicolaou-stained seminal and swim-up smears obtained from the Integrated Semen Analysis System (ISAS). You can learn more about how we ensure our content is accurate and current by reading our editorial policy. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |