Accessory in anatomy, denoting certain muscles, nerves, glands, etc. That are auxiliary or supernumerary to some similar, generally more important thing. Synonym: accessorius. Origin: L. Accessorius, fr. Ac-cedo, pp. -cessus, to move toward..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
