Ganglia: Types and Structure
Outside the brain and spinal cord there are aggregations of cell bodies of neurons called ganglia. There are two main types of ganglia. They are...
Structure and functions of spinal cord
Introduction of Spinal cord It is a whitish, long, dorso-ventrally compressed tube of nervous tissues. It is a part of the central nervous system that...
Phylum : Platyhelminthes (Flat worms), its classification and characteristics
multicellular, triploblastic, bilaterally symmetrical. first animals to have organ-system grade of body organization. body is dorsoventrally flattened so called flat worms. size varies from less...