interventricular septum


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Related to interventricular septum: left ventricle, ductus arteriosus

septum

 [sep´tum] (L.)
1. a wall or partition dividing a body space or cavity. Some are membranous, some are osseous, and some are cartilaginous; each is named according to its location. See also septal defect. adj., adj sep´tal.
alveolar septum interalveolar septum.
atrial septum (septum atrio´rum cor´dis) interatrial septum.
atrioventricular septum the part of the membranous portion of the interventricular septum between the left ventricle and the right atrium.
deviated septum an injury or malformation of the nasal septum so that one part of the nasal cavity is smaller than the other; this is fairly common and seldom causes complications. Occasionally the deviation may handicap breathing, block the normal flow of mucus from the sinuses during a cold, or prevent proper drainage of infected sinuses. In some cases surgery (called partial or complete submucous resection) may be necessary to relieve the obstruction and reduce irritation and infection in the nose and sinuses.
interalveolar septum
1. one of the thin plates of bone separating the alveoli of the teeth in the mandible and maxilla. Called also interradicular septum.
2. one of the thin septa that separate adjacent pulmonary alveoli, containing connective tissue and the capillary network of the blood supply of the lung. Defs. 1 and 2 called also alveolar septum.
interatrial septum (septum interatria´le cor´dis) the partition separating the right and left atria of the heart; called also atrial septum.
interradicular septum interalveolar septum (def. 1).
interventricular septum (septum interventricula´re cor´dis) the partition separating the right and left ventricles of the heart; called also ventricular septum.
nasal septum a plate of bone and cartilage covered with mucous membrane that divides the nasal cavity.
septum lu´cidum septum pellucidum.
pellucid septum (septum pellu´cidum) the triangular double membrane separating the anterior horns of the lateral ventricles of the brain; called also septum lucidum.
septum pri´mum a septum in the embryonic heart, dividing the primitive atrium into right and left chambers. See also congenital heart defect.
rectovaginal septum the membranous partition between the rectum and vagina.
rectovesical septum a membranous partition separating the rectum from the prostate and urinary bladder.
septum of ventricles of heart (ventricular septum) (septum ventriculo´rum cor´dis) interventricular septum.

in·ter·ven·tric·u·lar sep·tum

[TA]
the wall between the ventricles of the heart.

in·ter·ven·tric·u·lar sep·tum

(in'tĕr-ven-trik'yū-lăr sep'tŭm) [TA]
The wall between the ventricles of the heart.

interventricular septum

The membranous and muscular wall between the right and left ventricles of the heart.
References in periodicals archive ?
Caption: Figure 2: Cardiac magnetic resonance showing a myxoma occupying the right ventricle and atrium and another myxoma in the left ventricle attached to the interventricular septum.
VSR was identified in the anterior inferior position in interventricular septum. After size and anatomy of VSR was defined a Dacron patch was secured over VSR with pladgeted 3/0 prolene, taking healthy margins of the septum.
Therefore, it is safe to say that the rhythm disorder originates in the right ventricle or in the interventricular septum.
Patients in group B had significantly higher LA area, ascending aorta diameter, interventricular septum, and LV posterior wall thickness than those in group A.
The color Doppler showed two laminar flows with opposing directions across the interventricular septum (IVS).
The rats were then anatomized and the left ventricle plus the interventricular septum (LV + S) and the right ventricle (RV) tissue were collected by cutting along the edge of the ventricle and the interventricular septum, and weighed.
Echocardiogram parameters indicates the significant difference (pless than 0.002) in Left Atrial and Aortic ratio (LA/AO), Interventricular septum thickness (Pless than 0.03), Left ventricular posterior wall thickness (pless than 0.05), diastole PDA gradient (pless than 0.005) between HsPDA and non-HsPDA.
LV wall thickness (basal) was within normal limits (interventricular septum end diastolic and LV posterior wall end diastolic diameters were 0.75 cm and 1.29 cm, respectively), although the posterior wall was thicker than the septum.
The dimension of the ventricular chamber is reduced, the interventricular septum thickens, and patients suffer from diastolic dysfunction (in which heart muscle doesn't relax normally), causing an increased risk of sudden death from arrhythmia.
The interventricular septum (IVS) was flattened and there was paradoxical motion of the IVS.
There was no difference between the groups regarding left ventricular end-diastolic dimension, left ventricular end-systolic dimension, interventricular septum thickness in diastole, interventricular septum thickness in systole, left ventricular posterior wall thickness in diastole, left ventricular posterior wall thickness in systole, left atrium dimension, aortic dimension, ejection fraction, and fractional shortening.
The left ventricular posterior wall and the interventricular septum were also thicker in this group.

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