Results 1 to 10 of about 41,842 (148)

Patients with disorders of sex development [PDF]

open access: yesAnnals of Pediatric Endocrinology & Metabolism, 2021
Disorders of sex development (DSDs) are a genetically and clinically heterogeneous group of congenital conditions of the urogenital tract and reproductive system.
Renata Markosyan
doaj   +1 more source

Claude Bernard, the Founder of Modern Medicine

open access: yesCells, 2022
Claude Bernard is the first and one of the very few French scientists to have been honored with a national funeral [...]
René Habert
doaj   +1 more source

Morphometrics, ovary structure, and parasites of Chiasmodon harteli (Actinopterygii: Trachiniformes: Chiasmodontidae) from off south-eastern Greenland [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2011
Background. Chiasmodon harteli Melo, 2009 is a rarely captured deepwater fish. Even though the taxonomy of this genus is fairly well resolved, very little is known about the biology of individual Chiasmodon species.
B. Więcaszek   +3 more
doaj   +3 more sources

Sex-Biased miRNAs in the Gonads of Adult Chinese Alligator (Alligator sinensis) and Their Potential Roles in Sex Maintenance

open access: yesFrontiers in Genetics, 2022
MicroRNA (miRNA) is a category of single-stranded non-coding small RNA (sRNA) that regulates gene expression by targeting mRNA. It plays a key role in the temperature-dependent sex determination of Chinese alligator (Alligator sinensis), a reptile whose ...
Meng-Yuan Hu   +4 more
doaj   +1 more source

Lycopene supplementation: effects on oxidative stress, sex hormones, gonads and thyroid tissue in tilapia Oreochromis niloticus during Harness® exposure

open access: yesFrontiers in Physiology, 2023
Harness® is a commercial herbicide that contains acetochlor at a concentration of 84% as an active ingredient. Ubiquitous, persistent, and substantial uses of Harness® in agricultural processes have resulted in the pollution of nearby water sources ...
Rania F. Ismail   +3 more
doaj   +1 more source

DMRT1 is a testis-determining gene in rabbits and is also essential for female fertility

open access: yeseLife, 2023
DMRT1 is the testis-determining factor in several species of vertebrates, but its involvement in mammalian testes differentiation, where SRY is the testis-determining gene, remains ambiguous.
Emilie Dujardin   +10 more
doaj   +1 more source

Insights into Early Ontogenesis of Salmo salar: RNA Extraction, Housekeeping Gene Validation and Transcriptional Expression of Important Primordial Germ Cell and Sex-Determination Genes

open access: yesAnimals, 2023
The challenge in extracting high-quality RNA impedes the investigation of the transcriptome of developing salmonid embryos. Furthermore, the mRNA expression pattern of important PGC and SD genes during the initial embryonic development of Salmo salar is ...
Irfan Ahmad Bhat   +3 more
doaj   +1 more source

Ultrasonographic sex determination of the flathead grey mullet (Mugil cephalus)

open access: yesVeterinary Medicine and Science, 2023
Background Determination of sex in fish without external sexual dimorphism is important. Sex determination of the flathead grey mullet (Mugil cephalus) in the culture system and spawn‐producing and fish reproduction system is very important.
Majid Masoudifard   +5 more
doaj   +1 more source

PATHOLOGIES OF REPRODUCTIVE ORGANS OF CASPIAN FEMALE SEALS (PHOCA CASPICA, GMELIN, 1788)

open access: yesЮг России: экология, развитие, 2016
The aim is to compare morphofunctional conditions of the ovaries and uteruses of Caspian female seals born between the end of XX and beginning of XXI centuries.Methods. We have analyzed the reproductive organs of 16 female seals in the periods of October
V. V. Volodina   +2 more
doaj   +1 more source

Gonadosomatic index and weight/length relationship in females of three penaeoidean shrimps impacted by fisheries on the southeastern Brazilian coast

open access: yesNauplius, 2020
The aim of this study was to evaluate the gonadosomatic index (GSI) and the weight/length ratio in important shrimp populations (Xiphopenaeus kroyeri (Heller, 1862), Litopenaeus schmitti (Burkenroad, 1936), Rimapenaeus constrictus (Stimpson, 1874)) from ...
Renan Augusto Pereira dos Santos   +6 more
doaj   +1 more source

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