Lobatocerebromorpha A phylum of three species, discovered in 1980 but not described as a phylum until 1991, by G. Haszprunar, R. M. Rieger, and P. Schuchert, who suggest it may be related to the Annelida and Sipunculida (peanut worms). Lobatocerebromorphs have a ciliated body (see CILIUM) with a cuticle, ventral nerve cords, segmentally arranged protonephridia (see NEPHRIDIUM), and a posterior anus. The parenchyma has very little intercellular matrix, but there is no true coelom. The organisms are 1 mm long, worm-like, and hermaphrodite, with no vascular system, but with an unexpectedly large brain.
More From encyclopedia.com
Brain , The brain is a mass of nerve tissue located in an animal’s head that controls the body’s functions. In simple animals, the brain functions like a swi… Brain Stem , brain stem The brain within the skull and the spinal cord within the vertebral column constitute the central nervous system. The cerebral hemispheres… Peripheral Nervous System , The peripheral nervous system (PNS) refers to all the neurons (and their supporting cells, or glia) of the body outside the brain and spinal cord (ce… Limbic System , limbic system The term ‘limbic system’ (from Latin limbus: edge) was first used by MacLean in 1952 to describe a set of structurally and functionally… Congenital Brain Defects , Congenital brain defects Definition Congenital brain defects are a group of disorders of brain development that are present at birth. Description Bra… Brain Tumor , Definition A brain tumor is an abnormal growth of tissue, either malignant (cancerous) or benign (noncancerous), in the brain. Each year, more than 1…
About this article
Updated About encyclopedia.com content Print Article
You Might Also Like