Results 251 to 260 of about 72,523 (352)

Testicular Morphology and Spermatogenesis in Potamotrygon motoro: Insights Into Reproduction of Freshwater Stingrays

Journal of Morphology, Volume 287, Issue 2, February 2026.
Electron microscopy of Potamotrygon motoro spermatozoa. a – Illustration of a schematic sperm cell depicting the helical head, intermediate piece (midpiece), and flagellum. b ‐ Helical heads (Hh) of spermatozoa inserted into the cytoplasm of Sertoli cells (S) through openings in the plasma membrane. Scales: 10 μm.
Maria Luiza Ribeiro Delgado, Patricia Postingel Quirino, Luciane Gomes‐Silva, Viktoriya Dzyuba, Borys Dzyuba, Alexandre Ninhaus‐Silveira, Rosicleire Veríssimo‐Silveira   +6 more
wiley   +1 more source

<i>Plasmodium falciparum</i> PP1 phosphatase is a key regulator of malaria parasite transmission. [PDF]

mBio
Royer L, Colard-Itté E, Tavella T, Lorthiois A, Goussin S, N'Dri M-E, Sabra R, Deiss A, Thiberge S, Lamarque MH, Lavazec C.   +10 more
europepmc   +1 more source

Chemically moderated gamete preferences predict offspring fitness in a broadcast spawning invertebrate

Proceedings of the Royal Society B: Biological Sciences, 2014
M. Oliver, J. Evans
semanticscholar   +1 more source

Mosaic Li Fraumeni Syndrome Not Identified in Germinal Tissue

Molecular Genetics &Genomic Medicine, Volume 14, Issue 2, February 2026.
In this study, we presented the first clinical case report of mosaic Li Fraumeni syndrome eluding germinal tissue. This case highlights the complexity of interpreting mosaic variants in TP53, and the difficulty in relaying cancer and reproductive risk information in the context of mosaic Li Fraumeni syndrome.
Rhianna M. Urban, Nisha Kanwar, Megan A. Holdren, Megan F. Hoenig, Laura M. Rust, Myra J. Wick, Matthew J. Ferber, Zhiyv Niu, Sounak Gupta, Wei Shen   +9 more
wiley   +1 more source

Aspartyl protease inhibition interferes with Plasmodium falciparum asexual blood-stage and early gametocyte development. [PDF]

Malar J
Niramolyanun G, Praikongkatham C, Jenwithisuk R, Roobsoong W, Sattabongkot J, Pankao V, Kangwanrangsan N.   +6 more
europepmc   +1 more source

ESHRE Task Force on Ethics and Law 21: genetic screening of gamete donors: ethical issues.

Human Reproduction, 2014
W. Dondorp, G. D. Wert, G. Pennings, F. Shenfield, P. Devroey, B. Tarlatzis, P. Barri, K. Diedrich, U. Eichenlaub-Ritter, F. Tüttelmann, V. Provoost   +10 more
semanticscholar   +1 more source

Third-Party Gametes and the Christian

, 2010
Emily Valji
openalex   +2 more sources

pH‐Dependent Degradation of Macrobial Environmental DNA in Water

Molecular Ecology Resources, Volume 26, Issue 2, February 2026.
ABSTRACT Environmental DNA (eDNA) analysis has increasingly been used for aquatic biomonitoring, although interpretation of results needs to consider how environmental factors influence the degradation process of eDNA. This review focuses on pH, which has long been considered a key factor in eDNA degradation although its apparent effect on eDNA ...
Toshiaki S. Jo
wiley   +1 more source

Explaining sex: contrast between social and sexual selection. [PDF]

Biol Sex Differ
Roughgarden J.
europepmc   +1 more source