tuberosity for serratus anterior muscle (Science: anatomy) A rough oval area, about the middle of the outer surface and lower border of the second rib, for the attachment of the serratus anterior muscle. Synonym: tuberositas musculi serrati anterioris...
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
