ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] At low sperm concentrations (〈 108?109 cm?3), when interactions between organisms are negligible, gravity produces two effects on each organism. First, there is the downward sedimentation velocity; my measurements on immobilized spermatozoa in normal semen show that this is about 0.3 µm ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/238223a0