Leech is an ectoparasite, which belongs to Phylum: Annelida Class: Hirudinea Order: Gnathobdellida It has a dorsoventrally compressed body. It swims in the water in search of a suitable host. The transverse section of the leech shows the following...

Explore semen immunologic analysis methods: antisperm antibodies, direct/indirect antibody tests, mixed antiglobulin, immunobead binding, flow cytometry, SpermMAR™. The immunologic analysis of semen is a component of the investigation of infertility,...

New mountain horned dragon species Acanthosaura syrax discovered in Thailand’s Mae Wong National Park, named after a House of the Dragon dragon. Researchers have identified a new member of the Acanthosaura genus, a group of horned lizards that inhabit...

Ancient teeth discovered on Sulawesi reveal that Ice Age hunter-gatherers used whole nuts in a surprising way, rewriting the history of human drug use. Archaeologists have uncovered evidence that hunter-gatherer communities in Indonesia were utilizing...

New fossil evidence challenges the traditional timeline of evolution, revealing a far more complex transition from aquatic life to land-dwelling animals. The evolutionary leap from aquatic habitats to terrestrial life remains one of the most...

Discover the importance of semen analysis in diagnosing infertility. Explore indications and proper methods for semen collection. Semen, also known as seminal fluid, is a complex fluid discharged from the male genital tract, containing spermatozoa...