Results 251 to 260 of about 165,961 (339)

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

Rates and risk factors of oocyte immaturity: toward personalized selection for rescue in vitro maturation. [PDF]

J Assist Reprod Genet
Taggi M, Maggiulli R, Innocenti F, Casciani V, Cermisoni GC, Soscia DM, Petrone P, Ruffa A, Albricci L, Fiorentino G, Zuccotti M, Vaiarelli A, Capalbo A, Coticchio G, Rienzi L, Cimadomo D.   +15 more
europepmc   +1 more source

Commission on Rhythm: Origine of the Commission [PDF]

, 1965
Ratner, Herbert
core   +1 more source

Advancement of ovulation in yellowtail founder (Pleuronectes ferrugineus) using gonadotropic hormone-releasing hormone analogue (GnRHa) [PDF]

, 1997
Stephen Paul Bettles
openalex  

Changes in Metabolites and Microbial Communities in Follicular Fluid Associated With Ovarian Function in Patients With Polycystic Ovary Syndrome

MedComm, Volume 7, Issue 2, February 2026.
Based on the integrated analysis of follicular fluid metabolites and microbial communities in patients with PCOS, this study reveals significant dysregulation in the follicular microenvironment. Key metabolites including D‐glucose and 25‐hydroxycholesterol show marked alterations, while microbial communities such as Alicyclobacillus and Terrimonas ...
Manfei Si, Sen Yan, Shu Ding, Rui Liu, Xianglei Xiong, Jie Qiao, Xinyu Qi   +6 more
wiley   +1 more source

Ovulation: A consequence of acute inflammation cultivated by E2-induced reactive oxygen species and triggered by progesterone withdrawal. [PDF]

Tzu Chi Med J
Chen YH, Chu TY.
europepmc   +1 more source

Role of Acid‐Sensing Ion Channels 1a in the Regulation of Obesity and the Gut Microbiota

Obesity, Volume 34, Issue 2, Page 372-381, February 2026.
ABSTRACT Objective Acid‐sensing ion channels are proton‐activated ion channels predominantly found in the nervous system. They are well known to affect metabolic and neurological health, yet their role in obesity and gut physiology remains unclear. This study investigates how systemic deletion of Asic1a influences obesity, metabolic, and gut‐based ...
Jane Shearer, Morris H. Scantlebury, Oghenefejiro Erome‐Utunedi, Anamika Choudhary, Jennifer A. Thompson, Christina Ohland, Kathy D. McCoy, Chunlong Mu   +7 more
wiley   +1 more source

Significance of Follicle-Stimulating Hormone Receptor Gene Single-Nucleotide Polymorphism rs6165/rs6166 Analysis for Infertility-Associated Ovarian Disease Susceptibility Prediction and Optimized Individualized Ovulation Induction/Ovarian Stimulation. [PDF]

Diagnostics (Basel)
Kitaya K, Hamazaki A, Kobayashi N, Mihara T, Mihara M.   +4 more
europepmc   +1 more source

Aspirin Discontinuation at 24–28 Weeks and Placental Biomarker Trajectories: Post Hoc Analysis of a Randomised Trial

BJOG: An International Journal of Obstetrics &Gynaecology, Volume 133, Issue 3, Page 432-441, February 2026.
ABSTRACT Objective To compare the trajectories of placental biomarkers throughout pregnancy after aspirin discontinuation at 24–28 weeks with those of a cohort treated until 36 weeks of gestation. Design A longitudinal secondary analysis of the StopPRE trial, using repeated measures of soluble fms‐like tyrosine kinase‐1 (sFlt‐1), placental growth ...
Erika Bonacina, Mireia Armengol‐Alsina, Pablo Garcia‐Manau, Monica López, Alicia Rodriguez‐Zurita, Àngels Vives, Eva Lopez‐Quesada, Marta Ricart, Anna Maroto, Laura de Mingo, Elena Pintado, Andrea Arias‐Garcia, Lourdes Martín, Carolina Chulilla‐Pérez, Esperanza Garcia, Mar Pallarols, Laia Vidal‐Sagnier, Mireia Teixidor, Carmen Orizales‐Lago, Adela Pérez‐Gomez, Vanesa Ocaña, Linda Puerto, Pilar Millán, Sonia Diaz, Ester del Barco, Marta Dalmau, Valeria Rolle, Elena Carreras, Anna Suy, Manel Mendoza   +29 more
wiley   +1 more source

A Novel Letrozole Stair-Step Duration Regimen for Ovulation Induction in Women with Polycystic Ovary Syndrome and Letrozole Resistance. [PDF]

Drug Des Devel Ther
Zhu X, Lang J, Zhi Y, Wang Q, Fu Y.
europepmc   +1 more source