It's lined with mucous and helps regulate pressure around the eardrum so that sound waves can be transferred. Ears can vary, so what's considered normal anatomy of the inner or outer ear in one person ...

The abdominal aorta is a large artery in your belly that carries blood from the heart to the lower part of the body. In early fetal development, it forms from two smaller blood vessels, called the ...

Limbic attention deficit disorder is one of the proposed seven types of attention deficit hyperactivity disorder (ADHD). However, the American Psychiatric Association only recognizes three types ...

Modern views of OCD as a neuropsychiatric disorder originated from early lesion studies, with more recent models incorporating detailed neuropsychological findings, such as perseveration in ...