Results 91 to 100 of about 23,359 (215)
An Investigation of Hyperostosis Frontalis Interna in a Modern Anatomical Body Donor Population
ABSTRACT This research sought to examine the prevalence and severity of hyperostosis frontalis interna (HFI) in the Chicagoland anatomical body donor population. The study further aimed to elucidate potential demographic risk factors for HFI, including sex, age at death, and structural vulnerability index (SVI), as well as any common comorbidities, as ...
Amy C. Beresheim, Amanda Hall
wiley +1 more source
ABSTRACT Background Carbohydrate antigen 19–9 (CA19‐9) is a cell surface glycoprotein widely used as a diagnostic and prognostic serum marker for monitoring pancreatic cancer. The aim of this study was to evaluate the prevalence and clinical relevance of CA19‐9 expression in human cancer. Methods To comprehensively determine the prevalence and clinical
Nina Schraps +31 more
wiley +1 more source
The toxic effect of Polystyrene Microplastics (PS-MPs) on leydig cells were found in male mice, but the toxic mechanism was not clear. The PS-MPs exposure mice model and cell model were established in this study to explore the leydig cells toxic ...
Qing Zhao +5 more
doaj +1 more source
Citation: 'Leydig cell' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.10891 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire +1 more source
Gonadal Development in Larvae of the Paedomorphic Ambystoma mexicanum (Amphibia: Urodela)
This research analyzes the gonads of Ambystoma mexicanum larvae of both sexes, revealing significant changes such as the onset of vitellogenesis in females at 9 months of age and oocytes with signs of maturity at 12 months. In males, gonadal maturity occurs earlier, with a notable cephalocaudal and lateromedial testicular regionalization, and ...
Jessica Lucía Sánchez‐Ortiz +2 more
wiley +1 more source
Immunohistochemical expression of CD34, desmin, keratin AE1/AE3, keratin 8/18, KIT, SMA, S100, and vimentin in normal guinea pig skin serving as both positive and negative external tissue control. All images immunohistochemical staining, 200× magnification, scale bar 100 µm. (A) CD34 stained only vascular endothelium (arrow).
Jiří Lenz +3 more
wiley +1 more source
ABSTRACT The greater rhea (Rhea americana), the largest bird species in South America, has significant economic value due to its meat, eggs, leather, feathers and oil. However, its lack of external sexual dimorphism poses challenges for reproductive management and breeding programmes.
Marilú Cristofoli +7 more
wiley +1 more source
ABSTRACT Puberty in male dogs marks the transition to sexual maturity, characterised by rising testosterone and testicular maturation. While often estimated at 6 months, the absence of birth records frequently complicates age determination. This study evaluated whether permanent canine tooth eruption serves as a reliable, complementary marker for ...
Raúl Rebolledo‐Martínez +7 more
wiley +1 more source
Abstract Background Maternal obesity increases offspring obesity risk, but limited data exist on its association with reproductive hormones in infertile males. Objectives To investigate the impact of maternal obesity during pregnancy on total testosterone levels in primary infertile men.
Fausto Negri +14 more
wiley +1 more source
Abstract Background Long‐acting gonadotropin‐releasing hormone (GnRH) agonists are commonly used for fertility control in male dogs. Their effect on testicular histomorphology has not been clarified. Objectives To elucidate the mechanisms underlying androgen withdrawal in response to long‐acting GnRH agonist deslorelin 4.7 mg treatment on testicular ...
Aykut Gram +5 more
wiley +1 more source

