thebesian vein — noun see thebesian vessel … Useful english dictionary
thebesian vessel — noun also thebesian vein or thebesian channel thə̇ˈbēzhən Usage: sometimes capitalized T Etymology: from Adam C. Thebesius died 1732 German anatomist + English an : any of the minute veins of the heart wall that drain directly int … Useful english dictionary
Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… … Medical dictionary
valve of Thebesius — valve of The·be·si·us te bā zē əs n CORONARY VALVE A. C. Thebesius see THEBESIAN VEIN … Medical dictionary
Coronary sinus — Vein: Coronary sinus Base and diaphragmatic surface of heart … Wikipedia
valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure … Medical dictionary
Thebesius — Adam C., German physician, 1686–1732. See thebesian foramina, under foramen, thebesian valve, thebesian veins, under vein … Medical dictionary
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
Venae cordis minimae — (also called smallest cardiac veins, venae cardiacae minimae , or Thebesian veins) are minute valveless veins in the walls of all four heart chambers. They are most abundant in the right atrium and least in the left ventricle. They originate… … Wikipedia
opening — A gap in or entrance to an organ, tube, or cavity. SEE ALSO: aperture, fossa, ostium, orifice, pore. access o. SYN: access. aortic o. SYN: aortic hiatus … Medical dictionary
