T cells are white blood cells that are important for adaptive immunity. They have unique cell surface receptors that are generated by randomly assorting genes. These receptors allow T cells to ...

Ophthalmology Times - ophthalmology news, articles, and events in a timely and accurate manner for members of the ophthalmic ...

The cells that make up the walls of the finest of all lymphatic vessels have a lobate, oak leaf-like shape that makes them particularly resilient to changes in fluid volume. A similar cell shape also ...

Here is a look at the NEET UG 2025 syllabus and answers to frequently asked questions regarding the Biology subject.

Lunar eclipses are sometimes called blood moons because of the phenomenon. During a lunar eclipse, the moon gets its red coloration because any sunlight that's not blocked by the Earth is filtered ...

See detailed maps of where and when to watch the dramatic 'Blood Moon'. The first total lunar eclipse since 2022 is set to grace the night sky tomorrow (March 13-14, 2025) — but only for those ...

as giving blood may also enhance your ability to produce healthy blood cells, potentially reducing the risk of developing blood cancer. Hector Huerga Encabo at the Francis Crick Institute in ...

When people donate blood, stem cells in the bone marrow make new blood cells to replace what was lost. This stress can drive the selection of certain clones—groups of blood cells with a slightly ...

People gather to watch a “blood moon“ eclipse in Melbourne, Australia, on July 28, 2018. On March 13-14, 2025, skywatchers across North America will have a prime view as the Moon turns red ...

Synthetic blood, which is still being studied, is a completely man-made substitute and does not contain human cells. These engineered molecules mimic the function of blood cells by transporting ...