| septal defect, atrial | A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an asd. Asds are a major class of heart deformity that is present at birth (congenital cardiac malformation). (12 Dec 1998) |
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| septal defect, ventricular | A hole in the interventricular septum, the wall between the ventricles, the lower chambers of the heart. Commonly called a vsd. Vsds are a common class of heart deformity that is present at birth (congenital cardiac malformation). (12 Dec 1998) |
| septal gingiva | That portion of the gingiva that covers the interdental septum. (05 Mar 2000) |
| septal lines | Radiographic images of thickened interlobular septa, most often along the lateral border of lung, extending to pleura; Kerley A and B lines; usually caused by septal oedema and fibrosis, also carcinomatosis. (05 Mar 2000) |
| septal nuclei | Neural nuclei situated in the septal region of the diencephalon. (12 Dec 1998) |
| septan | Denoting a malarial fever the paroxysms of which recur every seventh day, counting the day of the occurrence as the first day, i.e., with a five-day asymptomatic interval. Origin: L. Septem, seven (05 Mar 2000) |
| septane | <chemistry> See Heptane. Origin: L. Septem seven. Source: Websters Dictionary (01 Mar 1998) |
| septangle | <geometry> A figure which has seven angles; a heptagon. Origin: Septi- + angle. Source: Websters Dictionary (01 Mar 1998) |
| septarium | Origin: NL, fr. L. Septum, saeptum, an inclosure, a partition, fr. Sepire, saepire, to inclose. <geology> A flattened concretionary nodule, usually of limestone, intersected within by cracks which are often filled with calcite, barite, or other minerals. Source: Websters Dictionary (01 Mar 1998) |
| Septata | A recently described member of the protozoan phylum Microspora found in the intestine of an immunocompromised individual. The species described is Septata intestinalis. (05 Mar 2000) |
| septate | Divided internally by partitions. (09 Oct 1997) |
| septate hymen | A hymen in which there are two openings separated by a narrow band of tissue. Compare: hymen bifenestratus. (05 Mar 2000) |
| septate junction | An intercellular junction found in invertebrate epithelia that is characterised by a ladder like appearance in electron micrographs. Thought to provide structural strength and to provide a barrier to diffusion of solutes through the intercellular space. Occur widely in transporting epithelia and are controversially considered analogous to tight junctions (zonula occludens). (18 Nov 1997) |
| septate mycelium | One in which septa, or "cross-walls," divide the hyphae into numerous uninucleated or multinucleated cells. (05 Mar 2000) |
| septate uterus | A uterus divided into two cavities by an anteroposterior septum. Synonym: bipartite uterus, uterus bilocularis, uterus bipartitus, uterus septus. (05 Mar 2000) |