and nerves of the integumentary system work: The epidermis is composed of skin cells that contain a high content of keratin, a protein that provides protection from the external environment. Keratin ...

The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn more about the anatomy of this system.

These symptoms overlaid upon normal age-related declines in the musculoskeletal, neuromuscular, integumentary and cardiopulmonary systems place older adults with arthritis at higher risk of ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

Researchers have analyzed the soft tissue from a fossilized plesiosaur for the first time. The results show that the long-necked marine reptile had both smooth and scaly skin. This was likely so it ...

Research has uncovered key differences in gene expression linked to inflammation, metabolism and cardioprotection. These findings could help inform the development of targeted therapies for ...

Researchers explore the cellular and molecular adaptations associated with human secondary lymphoid tissue in adults during ...

Neutrophil granulocytes, a type of immune cell, are indispensable for the defense against pathogens. However, if they migrate into injured tissue, for example into the brain after a stroke, they can ...

The average amount, 4,800 micrograms per gram of microplastics in brain tissue, was found to be equivalent to the amount found in a standard plastic spoon, according to the study. MORE ...

Our immune system is armed with an array of defenses designed to detect and eliminate harmful threats. One of its most powerful defense mechanisms is the complement system-a group of proteins that ...