planaria
Origin: NL. See Planary.
(Science: zoology) Any species of turbellarian worms belonging to Planaria, and many allied genera. The body is usually flat, thin, and smooth. Some species, in warm countries, are terrestrial.
Dictionary > Planaria
You will also like...

Sleep and Dreams – Neurology
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

Passive and Active Types of Immunity
Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

Kidneys and Regulation of Water and Inorganic Ions
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..

Community Patterns
Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..

The Water Cycle
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..

The Conscious & Unconscious Nervous System
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..