Results 121 to 130 of about 83,183 (339)

Correlation between ejaculate characteristics and sperm abnormalities in boars exposed to summer heat stress [PDF]

open access: yesBiotechnology in Animal Husbandry
Seasonal heat stress is a well-known factor that negatively affects boar fertility, primarily by reducing semen quality and increasing the incidence of abnormal spermatozoa.
Petrović Aleksandra   +6 more
doaj   +1 more source

Morfologi Dan Biometri Spermatozoa Anoa (Bubalus SP.) Yang Diwarnai Dengan Pewarna William's Dan Eosin-Nigrosin [PDF]

open access: yes, 2010
Anoa is Indonesia endemic fauna that included into Appendix I by CITES. Anoa breeding efforts have not succeed, due to their agressivity, soliter, wildness and monogamous.
Aditya, A. (Aditya)   +9 more
core  

Single‐cell sequencing reveals potential novel insights into appendage‐patterning and joint‐development in a spider

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background Jointed appendages represent one of the key innovations of arthropods, and thus understanding the development and evolution of these structures is important for the understanding of the evolutionary success of Arthropoda. In this paper, we analyze a cell cluster that was identified in a previous single‐cell sequencing (SCS ...
Brenda I. Medina‐Jiménez   +2 more
wiley   +1 more source

Cardiac remodeling and arrhythmia in a mouse model of Depdc5 haploinsufficiency

open access: yesEpilepsia, EarlyView.
Abstract Objective Some ion channel genes linked to developmental and epileptic encephalopathy (DEE) are also linked to cardiac arrhythmia, leading to the hypothesis that predisposition to cardiac arrhythmias may contribute to the complex disease presentation of DEE and possibly to the mechanism of sudden unexpected death in epilepsy.
Roberto Ramos‐Mondragon   +9 more
wiley   +1 more source

Morphological and morphometric sperm analysis of dwarf sperm whale (Kogia sima)

open access: yesActa Scientiarum: Biological Sciences
Nowadays, an increase in the number of marine species at risk of extinction has been observed. Therefore, studies on the reproductive characteristics of these animals are essential.
Giovana Alcantara Garcia   +3 more
doaj   +1 more source

Removal of sperm tail using trypsin and pre-activation of oocyte facilitates intracytoplasmic sperm injection in mice and rats. [PDF]

open access: yesJ Reprod Dev, 2023
Torikai K   +13 more
europepmc   +1 more source

Chemotactic Turning Behaviour of Tubularia Spermatozoa [PDF]

open access: yes, 1970
1. The movements of Tubularia spermatozoa in the vicinity of micropipettes filled with extracts of female hydranths, which chemotactically attract the spermatozoa, have been recorded by multiple-flash photomicrography. 2.
Brokaw, C. J., Miller, R. L.
core  

Posttranslational Modifications in the C-terminal Tail of Axonemal Tubulin from Sea Urchin Sperm [PDF]

open access: hybrid, 1996
Jean Mary   +4 more
openalex   +1 more source

A first‐trimester mechanistic framework integrating three Physiopathologic biomarker domains for pre‐eclampsia classification

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective To develop and internally validate a mechanistic, three‐domain framework for early classification and prediction of pre‐eclampsia (PE) using first‐trimester angiogenic, uteroplacental, and maternal vascular biomarkers. Methods In a prospective cohort of 1925 singleton pregnancies screened at 11 to 13.6 weeks, placental growth factor (
Johnatan Torres‐Torres   +8 more
wiley   +1 more source

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