Coelenteron is a biological term used to describe the cavity of certain animals, such as jellyfish and sea anemones. The spelling of this word can be explained through phonetic transcription, which is represented as /siːlɛntɛrɒn/. The initial "co-" can be pronounced as "see-", while the "-enteron" ending has a silent "o". The middle "e" is pronounced as "eh", and the final "-ron" is pronounced as "ron" with a silent "o". This complex spelling is a common feature of scientific terms, which prioritize accuracy over simplicity.
Coelenteron is a noun referring to the main body cavity found in the members of the phylum Cnidaria, which includes jellyfish, sea anemones, and corals. Also known as the gastrovascular cavity, it is a central space within these animals where digestion, circulation, and other vital functions take place.
The coelenteron is a specialized and spacious internal sac that serves as the primary site for both extracellular and intracellular digestion. This cavity is lined with the gastrodermis, a highly folded and glandular layer of tissue that secretes enzymes for digestion and absorbs nutrients. The coelenteron also functions as the circulatory system of these animals, transporting nutrients, gases, and waste products throughout the body.
In addition to digestion and circulation, the coelenteron also plays a role in various other functions. It helps to maintain hydrostatic pressure within the animal's body, providing support and structure. It also functions in excretion, enabling the removal of metabolic wastes and maintaining osmotic balance.
The coelenteron plays a crucial role in the survival and maintenance of cnidarians and is a defining characteristic of this group of animals. Its existence and functionality enable the efficient uptake of nutrients and distribution of essential substances throughout the body, facilitating the overall physiological processes necessary for their survival.
Archenteron.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word coelenteron is derived from two Greek words: koilos meaning hollow or cavity, and enteron meaning intestine or gut.