Dictionary » S » Sperm head

Sperm head

sperm head

The anterior, usually ovoid, nucleus-containing part of spermatozoa.

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum


Hello everyone, I'm trying to get my head round haplodiploidity in (honey) bees and I think I pretty much get it. I'm just ... areas'. She does this to maintain genetic diversity as she stores the sperm to use all her life. So here's the question: If around 5 to 10 percent of her ...

See entire post
by nicholasetew
Sat Sep 22, 2012 7:57 pm
Forum: General Discussion
Topic: Bees
Replies: 3
Views: 2680

Re: Mitochondrial inheritance

... from their mother. The mitochondria present in the human or mammalian sperm usually get destroyed after fertilization. There is little amount of mitochondria present at the base of the Head of the sperm. This mitochondria is mainly generally required for the propelling ...

See entire post
by greatmicrobiologist
Fri Aug 26, 2011 11:00 am
Forum: Human Biology
Topic: Mitochondrial inheritance
Replies: 3
Views: 4060

Mammalian Gametes

... just under the plasma membrane that will release enzymes upon one sperm contact and prevent polyspermy from happening. A release of Ca ++ happens ... thru the fallopian tubes. That is all I can remember off the top of my head. Try wikipedia for mammalian sperm and egg. Under the anatomy heading ...

See entire post
by kolean
Wed Sep 02, 2009 10:41 pm
Forum: Cell Biology
Topic: Mammalian Gametes
Replies: 3
Views: 9705

Re: Help me with this Biology home work? Anyone PLEASE!!!

... deer confront each other with antlers lowered and engage in butting heads until one of the two gets tired and wanders off into the forest. This ... usually occur in body cells, not in cells that become eggs and sperm. C. Creatures with mutations are unable to reproduce. D. Most mutations ...

See entire post
by giselleposse
Tue Apr 15, 2008 9:29 pm
Forum: General Discussion
Topic: Help me with this Biology home work? Anyone PLEASE!!!
Replies: 34
Views: 31363


... far less obvious than the female equivalent. Just off the top of my head though: female menopause would happen earlier because they are born ... if it did exist then male menopause would occur not because of the sperm numbers running out, but because of the 'machinery' that churns them ...

See entire post
by kotoreru
Sun Aug 19, 2007 11:27 am
Forum: Human Biology
Topic: Menopause
Replies: 5
Views: 5003
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 1,620 times. 
What links here | Related changes | Permanent link