What Does Posterior Mean In Anatomy

Posterior use the adjective posterior to describe something thats in the back. Its often used in anatomy a posterior cerebral artery supplies blood to the back of the brain and the tail is on the posterior of a fish.

Human Anatomy Terminology And Organization Wikibooks Open

In humans and other primates pertaining to or toward the back plane of the body equivalent to the dorsal surface of quadrupeds.

What does posterior mean in anatomy. Posterior comes from the latin word posterus meaning coming after. By extension the same terms are used for. That is they have mirror image left and right halves if divided down the middle.

For these reasons the basic directional terms can be considered to be those used in vertebrates. A point can be anterior to another point behind it yet posterior to a point ahead of it. Posterior means towards the back and would indicate the opposite end from anterior.

Posterior is often used as a technical term in biology and medicine to refer to the back side of things and is the opposite of anterior which refers to the front side. All vertebrates have the same basic body plan they are strictly bilaterally symmetrical in early embryonic stages and largely bilaterally symmetrical in adulthood. In quadrupeds pertaining to or toward the rear or caudal end of the body.

Putting this in context the heart is posterior to the sternum because it lies behind it. The opposite of anterior is posterior meaning the back of the human body. In veterinary anatomy posterior is used only to denote some structures of the head.

Anterior refers to the front of the human body when used to describe anatomy. Located behind a part or toward the rear of a structure. Putting this in context the heart is posterior to the sternum because it lies behind it.

Standard anatomical terms of location deal unambiguously with the anatomy of animals including humans. Anterior ventral refers to the front and posterior dorsal refers to the back. Posterior synonyms posterior pronunciation posterior translation english dictionary definition of posterior.

Toward the back and near the main axis as the upper lip of a flower. The posterior cerebral artery pca is one of a pair of blood vessels that supply oxygenated blood to the posterior aspect of the brain occipital lobe in human anatomy. A substitute for caudal in quadrupeds.

However both anterior and posterior are relative terms. For example as more people took up running as a sport. Relating to the caudal end of the body in quadrupeds or the back of the body in humans.

The opposite of anterior is posterior meaning the back of the human body.

Anatomical Directional Terminology Anterior Posterior And More