KSIĄŻKI POWIĄZANE ZE SŁOWEM «SPERMATOGENIC»
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1
Andrology: Male Reproductive Health and Dysfunction
2.6 Frequency (%) of seminiferous tubules containing more than one
spermatogenic stage versus the number of stages per tubular cross-section
across the primate order. a1–a2: pros- imians, b1–b5: New World monkeys, c1–
c6: Old World ...
Eberhard Nieschlag, Hermann M. Behre, Susan Nieschlag, 2010
2
The Sperm Cell: Production, Maturation, Fertilization, ...
The haploid stage of spermatogenesis is further divided into 14–19 steps,
characterized by the advancement of sperm accessory structure biogenesis and
progressive shedding of the redundant spermatogenic cytoplasm.At each given
stage ...
Christopher J. De Jonge, Christopher Barratt, 2006
3
Stem Cells in Endocrinology
4. INFORMATION ABOUT TESTIS STEM CELLS GAINED FROM
TRANSPLANTATION EXPERIMENTS 4.1. Number of Stem Cells The most
widely referenced number of spermatogenic stem cells in the mammalian testis is
0.02% of the total ...
4
Gametes - The Spermatozoon
The spermatogenic cycle In many animals, certain spermatogenic cells are only
found in association with certain other cells. For example, in the mouse an Al
spermatogonium about to undergo its first synchronised division is always found
in ...
Jurgis Gediminas Grudzinskas, J. L. Yovich, 1995
5
Testosterone: Action, Deficiency, Substitution
Evaluation of the spermatogenic process can be qualitative or quantitative.
Qualitatively normal spermatogenesis refers to the presence of all germ cell types
and spermatogenic stages; whereas quantitatively normal spermatogenesis
refers to ...
Eberhard Nieschlag, Hermann M. Behre, Susan Nieschlag, 2012
6
Comparative Reproductive Biology
The demarcation lines between the adjacent stages are not quite distinct. A cross
section of tubules usually shows three stages of spermatogenesis. Some regions
of the tubules may lack one or even two generations of spermatogenic cells.
Heide Schatten, Gheorghe M. Constantinescu, 2008
7
Functional Anatomy and Physiology of Domestic Animals
A spermatogenic wave that involves a 12-day cycle is illustrated in Figure 14-17.
The wave involves a sequence of stages beginning with the less advanced
stages in the middle of the loop to progressively more advanced stages nearer
the ...
8
Cells: Advances in Research and Application: 2011 Edition
New investigation results, 'Deregulation of EZH2 expression in human
spermatogenic disorders and testicular germ cell tumors,' are detailed in a study
published in World Journal of Urology. According to a study from Berlin, Germany
, ...
9
Issues in Discovery, Experimental, and Laboratory Medicine: ...
According to news originating from Winston Salem, North Carolina, by NewsRx
correspondents, researchers stated “Mitochondrial reactive oxygen species (ROS
) have been implicated in spermatogenic damage, although direct in vivo ...
10
The Laboratory Primate
The spermatogenic capacity of the testis is dependent on the number of Ap
spermatogonia, which, in turn, depends on the expanding population of Sertoli
cells since each Sertoli cell can support only a limited number of germ cells (Orth
et al., ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «SPERMATOGENIC»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
spermatogenic w wiadomościach.
RNA in Sperm Could Be Biomarkers of Male Fertility
... female appear normal but sought reproductive care) – yet within the first spermatogenic cycle successfully conceived, resulting in the birth of a healthy child. «Medical Research News and Interviews on MedicalResearch.com, Lip 15»
The Aurora A-HP1γ pathway regulates gene expression and mitosis …
For instance, recent studies demonstrate that genetic inactivation of HP1γ in the germ line results in adult males carrying severe spermatogenic defects and ... «BMC Blogs Network, Maj 15»
Spermatogenic signaling through Rarg
Shosei Yoshida and colleagues report that differential expression of the retinoic acid (RA) receptor γ gene (Rarg) between two self-renewing subpopulations of ... «Nature.com, Maj 15»
Boffins now one step closer to male birth control pill
The FDA has reviewed the compound, whose suitability as a “reversible anti-spermatogenic contraceptive agent in non-human primates” is one of the principal ... «The Register, Lut 15»
Big Cajones: Testicle Size Determines Speed Of Genome Evolution
... one male, results in higher spermatogenic activity (increase in production of sperms) and consequently higher substitution or genetic mutation in the sperms. «iScienceTimes.com, Mar 14»
Isolation of Sertoli, Leydig, and spermatogenic cells from the mouse …
Spermatogenesis is a continuous process in which spermatogonial stem cells mature in a step-wise manner into specific germ cells before terminally ... «BioTechniques.com, Lis 11»
Microfluidics and Biomedical Applications
In certain cases of male factor infertility, a single viable spermatogenic cell has to be retrieved from a biopsy pellet so that it can be directly injected into an oocyte ... «AZoNano.com, Wrz 11»
Drive to Impress Females Pushes Males Toward Early Graves
“It is the males that invest most effort into extravagant sexual display that experience this spermatogenic 'burn-out' at an earlier age,” wrote researchers led by ... «Wired News, Sie 11»
Does being vegan or vegetarian affect fertility?
The results showed the rats that drank the concentrated pomegranate juice had "increased spermatogenic cell density, epididymal sperm concentration, and ... «This Dish Is Veg, Sie 10»
Y chromosome makes sex disorders "roulette game," say researchers
... but he suspects it is among the more common genetic causes of spermatogenic failure and male infertility. This kind of Y chromosome instability may also be a ... «Science a Gogo, Wrz 09»
