Chloroplasts, the parts of cells that allow plants and algae to photosynthesize, are thought to have originated more than 1 billion years ago, when photosynthetic cyanobacteria lived symbiotically ...

A precancerous cell is a cell with certain abnormalities that makes it more likely to become cancerous. These abnormalities don't mean that it will become cancer—in fact, most don't—but the diagnosis ...

The researchers were able to recreate a complete structure that includes the three key cell types in the pancreas, ...

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 ...

Dec. 11, 2024 — Gut microbiome composition during pregnancy has long-term effects on offspring stem cell growth and development, researchers report. Treating pregnant mice with a common gut ...

Pluripotent stem cells are cells that have the capacity to self-renew by dividing and to develop into the three primary germ cell layers of the early embryo and therefore into all cells of the ...

You can increase white blood cells (WBCs) by taking certain medications and eating immune-boosting foods, like yogurt, lean protein foods, antioxidant-rich vegetables, and more. Maintaining a normal ...

Scientists published more than three dozen papers as part of the Human Cell Atlas, an effort to map the human body cell by cell. The human body contains around 36 trillion to 37 trillion cells ...

For a very long time, we have been under the impression that memory and learning are solely the brain’s forte. Central to this belief is the fact that our brains, particularly our brain cells, store ...

This image provided by Ana-Maria Cujba shows blood vessels in a portion of the human small intestine, March 21, 2024. (Ana-Maria Cujba/Wellcome Sanger Institute via AP) This image provided by Nathan ...

But a new study, published Nov. 19 in Current Biology, offers compelling evidence that even tiny single-cell creatures such as ciliates and amoebae, as well as the cells in our own bodies, could ...

Steve Gschmeissner / Science Photo Library via Getty Images Fat cells have a “memory” of obesity, which may help explain why it’s so difficult to maintain weight loss, according to a new ...