Search results for histological studies

Evolution Mar 18, 2025

Sperm breach blastocyst defenses in primates, providing new insights into reproductive competition

In a study of early embryonic development in primates, an international research team under the leadership of Berthold Huppertz and Thomas Kroneis from Med Uni Graz has shown for the first time that sperm can penetrate the ...

Biotechnology Mar 12, 2025

Integrative analysis tool turns spatial RNA sequencing into imager

Spatial transcriptomics is a cutting-edge technique that characterizes gene expression within sections of tissue, such as heart, skin or liver tissue. These snapshots provide insights into how spatial organization affects ...

Plants & Animals Mar 4, 2025

Deciphering the evolutionary transition from reptilian jaw to mammalian nose

The face is one of the most distinctive features of vertebrates, diverged widely among species while maintaining a highly complex anatomical structure. Notably, mammals have a "nose" that can actively sniff out smells, separate ...

Cell & Microbiology Feb 27, 2025

Deep-learning framework advances tissue analysis in spatial transcriptomics

Biological tissues are made up of different cell types arranged in specific patterns, which are essential to their proper functioning. Understanding these spatial arrangements is important when studying how cells interact ...

Bio & Medicine Feb 13, 2025

Egyptian scientists use gold nanoparticles to reverse obesity-related damage in rat study

High-dose gold nanoparticle treatment outperformed orlistat in reversing obesity-related damage in rats, according to research conducted by Alexandria University, Erbil Polytechnic University, and Pharos University.

Evolution Feb 11, 2025

Sex as a formality: Study shows male stick insects have lost their reproductive function

While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these species, rare males occasionally appear. Whether these males retain reproductive functions is a key ...

Ecology Jan 14, 2025

Digitizing hope: Collaboration helps preserve species on brink of extinction with 3D imaging lab

The vaquita, which means "little cow" in Spanish, is the world's smallest porpoise and most endangered marine mammal. They also have the smallest range of any marine mammal; about 1,500 square miles within the northern Gulf ...

Biotechnology Jan 14, 2025

Team develops plan for 3D-printed microscope, including lens, that costs less than $60

A team of physicists and engineers at the University of Strathclyde, in Scotland, working with a colleague from the University of Glasgow, has developed the means for 3D printing a microscope, including the lens, for under ...

Veterinary medicine Jan 6, 2025

Fourth global detection of protozoan parasite in pigs hints at wider scope of infection

The National Veterinary Research Institute in Poland reports the first molecular detection of Sarcocystis miescheriana in a condemned pig carcass in that country. The research confirms only the fourth known occurrence of ...

Evolution Nov 21, 2024

Gene expression shifts help explain how a shrew changes brain size to match the seasons

New research shows how the Eurasian common shrew (Sorex araneus) changes its brain and bodily size throughout the year. The study, published online in eLife, reveals how changes in gene expression enable these small mammals ...

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