Reid’s base line
(Science: anatomy, radiology) A line drawn from the inferior margin of the orbit to the auricular point at the superior border of the orifice of the external auditory meatus and extending backward to the centre of the occipital bone.
It is used as the zero plane in computed tomography.
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..