The sacrum is a single bone made from five fused vertebrae that connects the spine to the pelvis. It supports the body’s core, especially when sitting or standing, and helps with balance and motion.

The epididymis is a tube where sperm mature and gain the ability to swim. Problems with the epididymis can affect fertility or lead to infertility. Epididymitis is a common condition where the ...

Mucosal barrier function consists of the combined effects of multiple extracellular and cellular processes that may be disrupted globally or in a targeted manner by physiological and ...