The spelling of the medical term "agger valvae venae" can be understood through its IPA phonetic transcription. The word is pronounced as /ˈæɡər ˈvælvi ˈvini/. The letter "g" in "agger" has a hard sound as in "goat". The letters "vv" in "valvae venae" are equivalent to "w" and are pronounced as /ˈvælwi ˈvini/. The accent is on the second syllable of "valvae" and the first syllable of "venae". This term refers to a ridge or elevation found in the internal lining of a vein that helps regulate blood flow.
Agger valvae venae is a Latin medical term that refers to a ridge or elevation found within the internal structure of veins. It is a compound term formed by combining the words "agger," which means ridge or elevation, "valvae," which refers to valves, and "venae," meaning veins.
In the context of anatomy, veins are responsible for carrying deoxygenated blood back to the heart. They contain one-way valves that prevent the backflow of blood and help maintain the flow of blood towards the heart. The agger valvae venae specifically refers to the ridge-like structures present within these veins, which further enhance their functionality.
The agger valvae venae is formed by one or more folds of the inner lining of veins, creating a protrusion or ridge. These ridges are strategically placed to aid in the propulsion of blood towards the heart. By preventing the regurgitation of blood, they ensure that the blood flows in the desired direction, promoting efficient circulation.
This anatomical feature is particularly important in veins that are subject to gravity, such as those in the lower extremities, where blood flow needs assistance in returning to the heart against the force of gravity. The agger valvae venae play a crucial role in maintaining the overall integrity and functionality of the venous system, contributing to a healthy and efficient circulatory system.
A slight prominence on the wall of a vein corresponding to the location of a valve.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.