septum

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Related to median septum: horizontal septum

septum

1. Biology anatomy a dividing partition between two tissues or cavities
2. a dividing partition or membrane between two cavities in a mechanical device
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

septum

[′sep·təm]
(biology)
A partition or dividing wall between two cavities.
(electromagnetism)
A metal plate placed across a waveguide and attached to the walls by highly conducting joints; the plate usually has one or more windows, or irises, designed to give inductive, capacitive, or resistive characteristics.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

septum

1. A low wall or balustrade which divided the nave of the ancient basilican church into a middle section (for the clergy) and two side sections (for the laity).
2. A low wall around a tomb.
3. The enclosure of the Holy Table made by the altar rails in a church.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Levator pits are situated posteroventrally and separated by a well-developed median septum. Moreover, the median dorsal plate has a massive keel and carinal process.
Hysterothecia single or gregarious, erumpent, superficial, straight to flexuous, surface usually striate, 0.4-2 x 0.2-0.4 mm; pseudoparaphyses hyaline, abundant, filiform, branched, longer than asci; epithecium compact; asci clavate to cylindrical, 8-spored, (55-)70-170 x 10-18 [micro]m; ascospores yellow-brown to reddish brown, uniseriate to partially biseriate, muriform, not parenchymatic, with [3-5(-7)] transverse and 1 longitudinal septa, ellipsoid to obovoid, sometimes slightly inequilateral, constricted at the median septum, (12-)15-24(-26) x (5-)6-10(-11) [micro]m.
Dorsal interior with a low, triangular median septum. Dorsal cardinal muscle fields large, weakly impressed.
putilovensis Zuykov (1999), extend anteriorly to meet a median septum that continues to the end of the muscle field as on Pl.
Lateral margins of female epigynum reaching past the posterior border of median septum in A.
texana having a longer inverted T-shaped median septum with two hoods (Fig.
Epigynum: median septum wider than long, flattened, with copulatory openings located anteriorly at its lateral borders (Fig.
Epigynum: Epigynal field with pair of rounded lateral lobes slightly covering the median septum and a pair of copulatory openings (CO, Figs.
Median septum of epigynum straight, without round or hollow parts (Fig.
Median septum approximately one-half width of atrium anteriorly, expanding into lateral cavities just posterior to the middle of the atrial cavity (Fig.
Epigynum with flask-shaped atrium and narrow, essentially straight median septum; septum widening abruptly at anterior and posterior extremities; atrial sclerites distinct, diverging anteriad; spermathecae with two swellings.
Female epigyum with inverted T-shaped median septum, of which the longitudinal part is indistinct and the lateral edges of the posterior transverse part are slightly bent anteriorly (Figs.