septum

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Related to median septum: horizontal 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 ?
They are separated by the median septum which is about 1 cm wide.
Surgical intervention is treatment of choice for correction of guttural pouch tympany.The recommended correction of unilateral tympany is fenestration of median septum or medial wall fistulation.
DISCUSSION: Mullerian duct anomalies result from defective fusion, canalisation or absorption of the median septum of the female reproductive system during embryonic development.
Etymology Named due to the presence of median septum in epigyne.
Uterine malformations may result from arrested development of the mullerian ducts, failure of fusion of the mullerian ducts or failure of resorption of the median septum (1, 2).
18); cymbium oval, with proximal dorsal ridge, modified clavate setae prolaterally and distally, and dense setal mat (cymbial scopula) dorsally (Figs 18, 19, 25); tegulum with spike-like median apophysis; embolus curved and directed distally, partly surrounded by membranous conductor (Figs 20, 23); female epigyne strongly sclerotised, with median septum and lateral copulatory ducts (Figs 21, 26); copulatory openings frequently plugged (Fig.
Hysterothecia gregarious, erumpent, superficial, straight to flexuous, irregular in shape especially when crowded, 0.47-1.80 x 0.28-0.57 mm, lips more or less open exposing a narrow red disc; pseudoparaphyses hyaline, abundant, filiform, branched, longer than asci; epithecium ferrugineous to red-brown, 3 % KOH staining purple; asci cylindrical-claviform, (4-)8-spored, 110-180 x 14-20 [micro]m; ascospores reddish brown, uniseriate to biseriate, muriform, appearance not parenchymatic, with 4-6 transverse and 1 longitudinal septa, ellipsoid, constricted at the median septum, 16-26(-28) x 8-10 [micro]m.
Abbreviations.--MA = median apophysis; TA= terminal apophysis; MS = median septum; PLE = posterior lateral eyes; PER = posterior eye row; AME = Anterior median eyes; AMNH = American Museum of Natural History; BYU = Brigham Young University; DMNS = Denver Museum of Nature & Science; KU = Kansas University; MCZ = Museum of Comparative Zoology; USNM = United States National Museum, Smithsonian Institution.
Epigyne with globular, anterior, converging spermathecal sacs; median septum wedge shaped, broad basally, pointed apically reaching near the half of epigyne; spermathecal ducts coiled; epigynal orifices large, longitudinal, near septum; epigynal plate narrow anteriorly and broad posteriorly, both margins with deep invaginations.
Abbreviations for parameters measured on specimens are (in millimetres): W, L, T = maximum width, length, thickness of the shell; Lv, Ld = maximum length of ventral and dorsal valve; Il, Iw = maximum length and width of pseudointerarea/interatarea; Pl = median length of pseudointerarea; Cw, Cl = width, length of cardinal muscle field; Sa = length of dorsal median septum; Sm = position of maximum height of dorsal median septum; Vl = length of visceral area; BBl = length of brachiophore basis; Ml = length of ventral muscle field; Mw = width of ventral muscle field.
Females are separated from their congeners by the anteriorly widened curved portion of the transverse piece of the median septum, each being about one-third the width of the entire epigynum (Figs.