- primitive heart tube
- primordial heart tube the primordium of the heart, formed by fusion of the two lateral endocardial tubes.
Medical dictionary. 2011.
primitive heart tube
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Primitive heart tube — Infobox Embryology Name = PAGENAME Latin = GraySubject = GrayPage = Caption = Diagram to illustrate the simple tubular condition of the heart. Caption2 = Heart of human embryo of about fourteen days. System = CarnegieStage = Days = 21 Precursor … Wikipedia
Heart — This article is about the organ in various animals. For the human heart, see Human heart. For other uses, see Heart (disambiguation). Cardiac redirects here. For the cardboard computer, see CARDboard Illustrative Aid to Computation … Wikipedia
sigmoid heart — the s shaped heart which develops from the primitive heart tube … Dictionary of ichthyology
Tube — A long hollow cylinder. There are many tube like structures in the human body, such as the auditory tube (Eustachian tube) in the ear. * * * 1. A hollow cylindrical structure or canal. 2. A hollow cylinder or pipe. SYN: tuba [TA]. [L. tubus]… … Medical dictionary
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circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… … Universalium
NODAL — homolog (mouse) Identifiers Symbols NODAL; MGC138230 External IDs OMIM: … Wikipedia
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
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
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
