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MOTILITY OF SPERMATOZOA [PDF]

open access: yesJournal of the American Medical Association, 1917
To the Editor: —In the Current Comment on "The Function of the Prostate" (The Journal, Feb. 17, 1917, p. 553), it is stated that "it has been noted that the spermatozoa are practically motionless while in the seminiferous tubules of the testis, but become actively motile in the vas deferens, or when mixed with prostatic secretion." The statement that
openaire   +2 more sources

Proteasomes in human spermatozoa [PDF]

open access: yesInternational Journal of Andrology, 2000
In the present study we describe the localization of proteasomes in human spermatozoa by means of immunolabelling with different monoclonal and polyclonal antibodies detected by confocal microscopy. Western blotting confirmed the specificity of the antibodies and has shown that proteasomes are present in spermatozoa and in seminal fluid. In spermatozoa
Wojcik, C.   +4 more
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Molecular Biology of Spermatozoa [PDF]

open access: yesInternational Journal of Molecular Sciences, 2020
The spermatozoon is a very special cell; it is generated in the male reproductive tract and has to travel to the female reproductive tract, of another individual, to fertilize an egg [...]
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Spermatozoa: A Historical Perspective.

open access: yesInternational journal of fertility & sterility, 2018
ABSTRACT: The 100,000th scientific article on the subject of spermatozoa was recently published. Numerous studies evaluated the characteristics of this important cell that led to tremendous discoveries. Since its first observation and description in 1677, many important characteristics have been described regarding this highly fascinating gamete.
Puerta Suárez, Jenniffer   +2 more
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Mitochondria in teleost spermatozoa

open access: yesMitochondrion, 2017
There is an extraordinary diversity of reproductive modes in teleost and this variability is related to the phylogenetic relationships and adaption to very different biotopes. As in all vertebrates, sperm is produced as the end product of the process of spermatogenesis, and regarding teleost the spermatozoa lack an acrosome in almost all species and ...
Patricio Ulloa-Rodríguez   +5 more
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The Senescence of Spermatozoa, II [PDF]

open access: yesJournal of Experimental Biology, 1928
ABSTRACT In a recent paper (Gray, 1928 a) the progressive loss of activity of a suspension of Echinus sperm was considered from two points of view; firstly, as a process of spontaneous and irreversible depletion of available energy and secondly, as a process of auto-intoxication whereby the products of activity inhibit the essential ...
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On the Development and Functions of the Spermatozoa [PDF]

open access: yesThe American Journal of the Medical Sciences
n ...
Wagner, &Na;, Leuckardt, &Na;
openaire   +3 more sources

Motility of spermatozoa at surfaces [PDF]

open access: yesReproduction, 2003
The hydrodynamic basis for the accumulation of spermatozoa at surfaces has been investigated. The general conclusion is that when spermatozoa arrive at a surface, they will remain there if the vector of the time-averaged thrust is directed towards that surface. This can arise in two basic ways.
openaire   +4 more sources

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