pharyngeal sac
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pharyngeal bursa — n a crypt in the pharyngeal tonsil that represents a communication existing during fetal life between the pharynx and the tip of the notochord * * * bursa pharyngealis [TA] an inconstant blind sac located above the pharyngeal tonsil in the… … Medical dictionary
pharyngeal tube — (ARTHROPODA: Insecta) In Siphunculata, the entrance to the cibarial pump; see sac tube, trophic sac … Dictionary of invertebrate zoology
gular sac — a sac like protrusion of the pharyngeal region in Southern Hemisphere Petromyzontiformes … Dictionary of ichthyology
aortic sac — the homologue in mammalian embryos of the ventral aorta, from which arise the arteries of the pharyngeal arches … Medical dictionary
branchial sac — noun : the dilated pharyngeal part of the alimentary canal in tunicates that has vascular walls pierced with clefts and functions as a gill … Useful english dictionary
animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
pouch — A pocket or cul de sac. SEE ALSO: fossa, recess, sac. antral p. a p. made in the antrum of the stomach of experimental animals. branchial pouches SYN: pharyngeal pouches. Broca p. SYN: puden … Medical dictionary
Halfbeak — label2= 2=Adrianichthyidae Phylogeny of the halfbeaks. The halfbeak family Hemiramphidae (Zenarchopterinae + Hemirhamphinae) is paraphyletic. [Nathan R. Lovejoy, Mahmood Iranpour, and Bruce B. Collette. 2004. Phylogeny and Jaw Ontogeny of… … Wikipedia
Bursa — A bursa is a closed fluid filled sac that functions to provide a gliding surface to reduce friction between tissues of the body. When the bursa becomes inflamed, the condition is known as "bursitis." Most commonly this is not an… … Medical dictionary
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
