Dictionary > Costal arch

Costal arch

Costal arch
That portion of the inferior aperture of the thorax formed by the articulated cartilages of the seventh to tenth (false) ribs.
Synonym: arcus costalis, arcus costarum.

Last updated on May 28th, 2023

You will also like...

The Homo Species

The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..

New Zealand’s Biodiversity

Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..

Peppered moth ("Biston betularia") melanic and light form

Examples of Natural Selection

Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..

Plant Metabolism

Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..

Abiotic and Biotic Factors

This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..

Schematic diagram of bacterial lactose operon

Gene Action – Operon Hypothesis

Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..

..