scalene hiatus
triangular gap bounded by the scalenus anterior and scalenus medius muscles and the first rib to which the muscles attach; the hiatus provides passage for the subclavian artery and the roots of the brachial plexus. Compression of the structures passing through the hiatus by any means is manifest as thoracic outlet syndrome.
Synonym: interscalene triangle.
scalene hiatus triangular gap bounded by the scalenus anterior and scalenus medius muscles and the first rib to which the muscles attach; the hiatus provides passage for the subclavian artery and the roots of the brachial plexus. Compression of the structures passing through the hiatus by any means is manifest as thoracic outlet syndrome. Synonym:..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
