segmentation contraction
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segmentation — 1. The act of dividing into segments; the state of being divided into segments. 2. SYN: cleavage (1). * * * seg·men·ta·tion .seg (.)men tā shən n 1) the act or process of dividing into segments esp the formation of many cells from a single cell… … Medical dictionary
Mouvement de segmentation — Les mouvements de segmentation sont des mouvements du bol alimentaire provoqués par la contraction et la relaxation des muscles circulaires intestinaux. Portail de la biologie Catégorie : Système digestif … Wikipédia en Français
haustral segmentation — the formation of pouches in the wall of the large intestine, by alternating contraction and relaxation of circular muscle fibers. It keeps the intestinal contents plastic and assists in propelling them toward the rectum … Medical dictionary
Gastrointestinal physiology — is a branch of human physiology addressing the physical function of the gastrointestinal (GI) system. The major processes occurring in the GI system are that of motility, secretion, regulation, digestion and circulation. The function and… … Wikipedia
animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… … Universalium
annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
digestive system, human — Introduction the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… … Universalium
MOLLUSQUES — L’embranchement des Mollusques est l’un des plus diversifiés de toute la zoologie, car il englobe plusieurs catégories bien distinctes d’espèces animales, qui toutes cependant répondent aux mêmes critères fondamentaux. Ces catégories forment pour … Encyclopédie Universelle
skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… … Universalium
Market analysis — A market analysis studies the attractiveness and the dynamics of a special market within a special industry. It is part of the industry analysis and this in turn of the global environmental analysis. Through all these analyses the chances,… … Wikipedia
