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Spermatozoa

(noun) Plural form of spermatozoon.

See spermatozoon for definition and additional information.


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Re:

... ratio of the species. The increase in inbreeding gives rise to diploid males, but mostly these diploid males are infertile as the generate diploid spermatozoa. http://en.wikipedia.org/wiki/Haplodiploid_sex-determination_system The process of spermatogrnesis in Hymenopteran males (Haploid ...

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by Squirrell
Mon Feb 20, 2012 8:38 pm
 
Forum: Zoology Discussion
Topic: Cell identification - germ cells in haploid male ants
Replies: 4
Views: 5257

Cell identification - germ cells in haploid male ants

... ratio of the species. The increase in inbreeding gives rise to diploid males, but mostly these diploid males are infertile as the generate diploid spermatozoa. http://en.wikipedia.org/wiki/Haplodiploid_sex-determination_system The process of spermatogrnesis in Hymenopteran males (Haploid ...

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by sachin
Sat Feb 18, 2012 8:08 am
 
Forum: Zoology Discussion
Topic: Cell identification - germ cells in haploid male ants
Replies: 4
Views: 5257

detection of semen or spermatozoa

Are there known molecular mechanisms in females for the detection of semen or spermatozoa -besides the ovum itslef. So basically, are there mechanisms which detect the presense of either semen or spermatozoa even though fertilization might not occur.

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by mzoltan22
Sun Jul 17, 2011 10:10 am
 
Forum: Human Biology
Topic: detection of semen or spermatozoa
Replies: 0
Views: 1079

testicals

... times ago, about the difference of right and testicle of their hung position and the volume. The right one usually is bigger, lower, contains more spermatozoa :)

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by DoctorStein
Sat Jul 05, 2008 11:34 am
 
Forum: Physiology
Topic: testicals
Replies: 11
Views: 22687

Spermatozoa staining

I need references to stain spermatozoa in order to investigate their viability/vitality. I read that double-staining (trypan blue/congo red + Giemsa) is good to differ dead/alive and also the presence of acrosome. Triple-staining (eosin/nigrosin+Bismarck ...

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by DoctorStein
Sun Jun 29, 2008 11:14 am
 
Forum: Cell Biology
Topic: Spermatozoa staining
Replies: 0
Views: 2060
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