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..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..
