interatrial foramen secundum
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Foramen secundum — Latin foramen secundum Days 33 Code TE E5.11.1.5.2.1.2 The ostium secundum (or foramen secundum) is a foramen in the septum primum. It should not be confused with the foramen ovale, which is a foramen in the septum secundum … Wikipedia
Primary interatrial foramen — Interior of dorsal half of heart from a human embryo of about thirty days. (Ostium primum visible below septum primum, but not labeled.) Latin … Wikipedia
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
Foramen ovale (heart) — Not to be confused with ostium secundum. Foramen ovale (heart) Sketch showing foramen ovale in a fetal heart. Red arrow shows blood from the inferior caval vein. HF: right atrium, VF: left atrium. HH og VH: right and left ventricle. The heart… … Wikipedia
ostium secundum — ostium se·cun·dum sə kən dəm n an opening in the upper part of the developing embryonic interatrial septum corresponding to the foramen ovale of the fetus * * * an opening high in the septum primum of the embryonic heart, approximately where the… … Medical dictionary
Interatrial septum — Infobox Anatomy Name = PAGENAME Latin = GraySubject = 138 GrayPage = 530 Caption = Interior of right side of heart. (labeled at right, as atrial septum ) Caption2 = Interior of dorsal half of heart of human embryo of about thirty five days.… … Wikipedia
septum secundum — the second septum in the embryonic heart, to the right of the septum primum; after birth it fuses with the septum primum to close the foramen ovale and form the interatrial septum … Medical dictionary
ostium — A small opening, especially one of entrance into a hollow organ or canal. SEE ALSO: orifice, opening, os, mouth (2). [L. door, entrance, mouth] o. abdominale tubae uterinae [TA] SYN: abdominal o. of uterine tube … Medical dictionary
Circulatory system — This article is about the organ system. For the band, see Circulatory System. For transport in plants, see Vascular tissue. Circulatory system … Wikipedia
Ostium primum — Infobox Embryology Name = Ostium primum Latin = GraySubject = 135 GrayPage = 512 Caption = Interior of dorsal half of heart from a human embryo of about thirty days. (Ostium primum visible below septum primum, but not labeled.) Caption2 = System … Wikipedia
