Buttock
Buttock
Buttock (pronunciation: /ˈbʌtək/) is a term used in anatomy to refer to the posterior part of the human pelvis, specifically the fleshy parts on the lower posterior of a human's trunk. It is composed of the muscles known as the gluteus maximus, gluteus medius, and gluteus minimus, collectively referred to as the glutes.
Etymology
The term "buttock" is derived from the Old English word "buttuc", meaning "end, small piece of land". This term was later adapted into Middle English as "buttok", which eventually evolved into the modern English "buttock".
Anatomy
The buttock is primarily made up of the gluteal muscles, which include the gluteus maximus, gluteus medius, and gluteus minimus. These muscles are covered by a layer of fat, which provides a cushioning effect when sitting. The buttock is also home to the sciatic nerve, the largest nerve in the human body.
Related Terms
- Glutes: The group of three muscles that make up the buttocks.
- Gluteus Maximus: The largest of the three gluteal muscles.
- Gluteus Medius: The second largest of the gluteal muscles.
- Gluteus Minimus: The smallest of the gluteal muscles.
- Sciatic Nerve: The largest nerve in the human body, which runs through the buttock.
External links
- Medical encyclopedia article on Buttock
- Wikipedia's article - Buttock
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