Fertilization , union of a sperm nucleus , of paternal origin, with an egg nucleus, of maternal origin, to form the primary nucleus of an embryo. In all organisms the essence of fertilization is, in fact, the fusion of the hereditary material of two different sex cells , or gametes , each of which carries half the number of chromosomes typical of the species. The most primitive form of fertilization, found in microorganisms and protozoans, consists of an exchange of genetic material between two cells. The first significant event in fertilization is the fusion of the membranes of the two gametes, resulting in the formation of a channel that allows the passage of material from one cell to the other.

14 Millennial Women Describe Their Sex Lives In One Word



Detailed STD Facts - Chlamydia
The past two years have been dizzying and highly unpleasant, like a Gravitron at the Ku Klux Klan's semi-annual block party. This is largely because our president, a hunk of boiled hot dog, seems to operate completely at random, without any sort of overarching logic or memory of what he's just done. But what if there was something, some sort of keystone idea or principle, that explained the last two years of domestic politics? That big why that is revealed like 12 minutes before the movie ends that could explain the tweets, the bluster, the almost-war, the sudden rage? Porn actress Stormy Daniels's new book may just have it. The Guardian obtained a copy of the yet-to-be released book, Full Disclosure , in which she describes their sexual interactions in unfortunate, but politically important detail.


‘Slave’ Details Her Daily Life in Testimony at Sex Cult Founder’s Trial
Every woman has one or two tricks up her sleeve that get her and her partner going every time. Add them to your arsenal, and get ready for an amazing between the sheets session. The way he pulled the fabric aside caused it to rub against my clitoris, which felt really great. He went down on me for an hour, even after I had an orgasm. We had little breaks in between, but what was incredible was the permission to have so much time to focus on my pleasure.




Some good news: the great thing about orgasms is that there are a ton of different kinds. You can have a really big, earth-shattering, makes you fall asleep right after, orgasm, or you can have a day where your climax results in the feeling of a mini-orgasm. The orgasm you might have in any particular situation can vary based on lots of things: intensity, sensation, situation, excitement, and possible fears or inhibitions. With any orgasm, you may experience shaky legs, erect nipples, a tightness in or around your vagina, etc. When I finally climax my body is refreshed and my muscles, which were tightening throughout arousal, are finally loose.