Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
cecum — (Order Cladocera): Digestive cecum [Stachowitsch, 1992]. (Order Notostraca): One of two outpocketings of midgut. Elongate and extensively branched with carapace. Opens into digestive tract posterior to esophagus/midgut border. (Syn. midgut… … Crustacea glossary
Cecum — For the genus of sea snails, see Caecum (genus). Not to be confused with sacrum. Cecum … Wikipedia
digestive cecum — (Order Cladocera): One of two lateral outpocketings of midgut; located in head posterior to border of esophagus and midgut. An additional unpaired cecum may open into posterior end of digestive tract. (Syn. cecum, hepatic cecum, midgut… … Crustacea glossary
dorsal cecum — (Order Mysida): Typically unpaired dorsal outpocketing of digestive tract at border of pyloric stomach and midgut. (paired, unpaired) (see also lateral cecum). (Syn. dorsal diverticulum) [Stachowitsch, 1992]. (Order Euphausiacea): One of two… … Crustacea glossary
midgut cecum — (Order Amphipoda): One of several tubular outpocketings of digestive tract. According to position, one may distinguish: (1) two pairs of posteriorly directed lateral ceca (two dorsal and two ventral) arising at stomach/midgut border and extending … Crustacea glossary
hepatic cecum — Pouchlike diverticulum generally connected with mesenteron, with liver function; also see hepatopancreas [McLaughlin, 1980]. (Order Cladocera): Digestive cecum [Stachowitsch, 1992]. (Order Cumacea): One of up to four pairs of relatively short,… … Crustacea glossary
Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… … Medical dictionary
Artery — A vessel that carries blood that is high in oxygen content away from the heart to the farthest reaches of the body. Since blood in arteries is usually full of oxygen, the hemoglobin in the red blood cells is oxygenated. The resultant form of… … Medical dictionary
Bone — This article is about the skeletal organ. For other uses, see Bone (disambiguation) and Bones (disambiguation). For the tissue, see Osseous tissue. Drawing of a human femur Bones are rigid organs that constitute part of the endoskeleton of… … Wikipedia
lymph node — One of numerous round, oval, or bean shaped bodies located along the course of lymphatic vessels, varying greatly in size (1–25 mm in diameter) and usually presenting a depressed area, the hilum, on one side through which blood vessel s enter and … Medical dictionary
