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Sperm morphology, ultrastructure, and motility in pikeperch Sander lucioperca (Percidae, Teleostei) associated with various activation media
spermatozoa motility spermatozoa velocity calcium
2015/7/3
Spermatozoa morphology, ultrastructure, and spermatozoa motility traits were studied in pikeperch (Sander lucioperca) after activation in various media (AM 1 ?45mM NaCl, 5mM KCl, 20mM Tris, pH 8.5; AM...
Sperm morphology assessment as an indicator of human fertilizing capacity
Sperm morphology assessment indicator human fertilizing capacity
2009/2/19
Semen samples from 95 men were examined by routine semen analysis and specific histologic staining for sperm morphology. The men were classified into fertile and infertile groups on the basis of cli...
Consistency of sperm morphology classification methods
Consistency sperm morphology classification methods
2009/2/12
The World Health Organization (WHO) recently suggested new morphometric dimensions for normal sperm heads and new sperm head classification rules. These specifications differ from previous WHO met...
Does sperm morphology play a significant role in increased sex chromosomal disomy? A comparison between patients with teratozoospermia and OAT by FISH
Sperm morphology sex chromosomal aneuploidy
2008/12/29
Eight semen samples from men with teratozoospermia (T), along with samples from 3 men with normal fertility and 5 samples from men with oligoasthenoteratozoospermia (OAT) were analyzed for X and Y c...
The Relationship Between Sperm Morphology and Chromatin Integrity in the Koala（Phascolarctos cinereus）as Assessed by the Sperm Chromatin Dispersion Test（SCDt）
DNA damage marsupial
2008/12/24
Koala (Phascolarctos cinereus) sperm nuclei show a tendency to swell after cryopreservation, but it is uncertain whether this phenomenon is associated with DNA fragmentation. In this study, we va...
A Retrospective Comparison of Pregnancy Outcome Following Conventional Oocyte Insemination vs Intracytoplasmic Sperm Injection for Isolated Abnormalities in Sperm Morphology Using Strict Criteria
In vitro fertilization zona pellucida subfertile male
2008/12/24
Initial in vitro fertilization (IVF)–embryo transfer studies found poor fertilization and pregnancy rates following conventional fertilization of oocytes when using sperm with <4% normal morpholo...
Sperm Morphology and Preparation Method Affect Bovine Embryonic Development
Percoll swim-up abnormal spermatozoa thermal insult in vitro fertilization
2008/12/22
This study was conducted to evaluate the effect of sperm separation methods of semen samples collected from bulls subjected to scrotal insulation on embryonic development after in vitro fertilizat...
Intraspecific divergence in sperm morphology of the green sea urchin, Strongylocentrotus droebachiensis: implications for selection in broadcast spawners
sperm morpholog sea urchin,
2015/12/11
Sperm morphology can be highly variable among species, but less is known about
patterns of population differentiation within species. Most studies of sperm morphometric
variation are done in species...
Recent speciation in the Indo-West Pacific: rapid evolution of gamete recognition and sperm morphology in cryptic species of sea urchin
speciation bindin Okinawa
2015/12/16
The rich species diversity of the marine Indo-West Pacific (IWP) has been explained largely on the basis
of historical observation of large-scale diversity gradients. Careful study of divergence amon...