septum

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Related to interatrial septum: coronary sulcus, atrioventricular septum

sep·tum

 (sĕp′təm)
n. pl. sep·ta (-tə)
A thin partition or membrane that divides two cavities or soft masses of tissue in an organism: the nasal septum; the atrial septum of the heart.

[New Latin sēptum, from Latin saeptum, partition, from neuter past participle of saepīre, to enclose, from saepēs, fence.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

septum

(ˈsɛptəm)
n, pl -ta (-tə)
1. (Biology) biology anatomy a dividing partition between two tissues or cavities
2. (Anatomy) biology anatomy a dividing partition between two tissues or cavities
3. (Mechanical Engineering) a dividing partition or membrane between two cavities in a mechanical device
[C18: from Latin saeptum wall, from saepīre to enclose; related to Latin saepēs a fence]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sep•tum

(ˈsɛp təm)

n., pl. -ta (-tə).
a dividing wall, membrane, or the like, in a plant or animal structure; dissepiment.
[1710–20; < New Latin; Latin saeptum enclosure]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

sep·tum

(sĕp′təm)
Plural septa
A thin wall or membrane that separates two parts, structures, or individual organisms. The chambers of the heart are separated by septa.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

septum

A wall between body cavities.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.septum - (anatomy) a dividing partition between two tissues or cavitiesseptum - (anatomy) a dividing partition between two tissues or cavities
partition - (anatomy) a structure that separates areas in an organism
nasal septum - a partition of bone and cartilage between the nasal cavities
anatomy, general anatomy - the branch of morphology that deals with the structure of animals
2.septum - a partition or wall especially in an ovary
plant organ - a functional and structural unit of a plant or fungus
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

septum

n (pl -ta) tabique m; deviated — tabique desviado; interatrial — tabique interauricular; interventricular — tabique interventricular; nasal — tabique nasal
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
The LA minor dimension was measured from the lateral wall to the interatrial septum. The right atrium (RA) length was measured from the mid-point of the segment joining hinge points of the tricuspid leaflets up to the inner layer of the posterior wall RA.
The operation was planned to repair a mitral valve but damage was caused to the interatrial septum.
Transthoracic and transesophageal echocardiography (Figures 1a-1b) and computed tomography angiography (Figures 1c-1d) revealed a large oval-shaped, slightly calcified left atrial mass, contiguous to the atrial roof near the right superior pulmonary vein orifice, adherent to the interatrial septum. There was severe mitral regurgitation due to annular dilatation in the presence of severe left ventricular (LV) systolic dysfunction (LV ejection fraction, 26%; LV enddiastolic diameter, 68 mm).
Full-volume data of the PV and interatrial septum were taken, and all images were systematically and sequentially cropped to view both the ASD and PV en face in both non-multiplanar reconstruction (MPR) and MPR modes.
There are several reports in the literature of endocardial metastasis, which could be the case in our patient who had disease of the interatrial septum and evidence of mediastinal lymph node involvement 2 months prior to presentation (Figures 1(a)-1(c)) [1, 7].
Atrial septal defects were created in adult female black-headed mutton sheep (n = 20; mean body weight, 45 [+ or -] 10 kg) by transseptal puncture and subsequent balloon dilation of the interatrial septum. Animals were anesthetized with xylazine 0.4mg/kg intramuscularly and an intravenous bolus infusion of 10 mg/kg ketamine, underwent endotracheal intubation, and were mechanically ventilated with isoflurane and oxygen.
Caption: Figure 2: (a) Subxiphoid long-axis view showing abnormal dilation of the right atrium and intact interatrial septum. (b) Modified parasternal short-axis view showing the regular diameter of the pulmonary trunk.
Thoracic computed tomography (CT) showed the involvement of the right atrial and right ventricular free wall as well as the interatrial septum and the floor of the left atrium and infiltration of vena cava [Figure 1]a.
[17] According to Smith CR, this approach may lead to injury to SANA as the incision passes through the postero-superior border of interatrial septum. [18]
Cardiac lipoma and lipomatous hypertrophy of the interatrial septum: cardiac magnetic resonance imaging findings.
His transthoracic echocardiogram demonstrated a large highly mobile elongated mass consistent with thrombus (asterisk Figure 1(a)) in the right atrium which crosses the interatrial septum, presumably through a patent foramen ovale (arrow Figure 1(a)) into the left atrium.