The fossa is Madagascar’s ultimate misdirection. Here’s why this predator that looks familiar, acts unexpected and took ...

A blood clot behind your knee can cause swelling and pain. It can become serious if not treated. The popliteal vein runs up the back of the knee and carries blood from the lower leg to the heart.

Improved Survival for Children and Young Adults With T-Lineage Acute Lymphoblastic Leukemia: Results From the Children’s Oncology Group AALL0434 Methotrexate Randomization We retrospectively collected ...

Anatomy is the field of biology that studies the structure of living things. Anatomy focuses on the composition, structure and location of the parts of organisms tissues, organs and systems as well as ...

The heart has four chambers that contract and relax in a specific rhythm to oxygenate blood and pump it throughout the body. The heart’s electrical system coordinates muscle contractions to maintain a ...

The kidneys help remove waste products from the body, maintain electrolyte balance, and regulate blood pressure. The kidneys are a pair of bean-shaped organs located below the rib cage, one on each ...

Each distinct part of the brain plays a different role in allowing humans to have thoughts and memories, move their arms and legs, sense smell, sight, hearing, touch, and taste, as well as maintain ...

Recommendations for beta blockers in preventing aortic dissection (AD) and improving postdissection survival in nonsyndromic patients with hypertension are based on limited evidence. This nationwide, ...

The infratentorial veins are densely packed in a smaller space compared to the supratentorial veins and have many variations, such as disconnections and anastomoses. Knowledge of the functional venous ...

The patella, or kneecap, is a bone at the front of your knee that protects your knee joint and helps with movement. Patellar tendonitis, dislocation, and fractures are common injuries that affect the ...

The pharynx is a muscular tube that helps you breathe, swallow, and speak. The pharynx has three parts: the nasopharynx, oropharynx, and hypopharynx. Serious conditions like throat cancer can affect ...

Anterior chamber. The front section of the eye's interior where aqueous humor flows in and out, providing nourishment to the eye. Aqueous humor. The clear watery fluid in the front of the eyeball.