a dividing wall, membrane, or the like, in a plant or animal structure; dissepiment.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use septum in a sentence
A septum stretching the length of the trunk separates it into two nostrils.Newly recognized tricks help elephants suck up huge amounts of water | Sid Perkins | June 3, 2021 | Science News
His piercing azure eyes are complemented by a new addition to his appearance: a septum piercing in his nose.‘Boyhood’ Star Ellar Coltrane: An Astonishing Debut 12 Years in the Making | Kevin Fallon | July 11, 2014 | THE DAILY BEAST
The division deepens, the septum divides into two lamellæ, and finally two cells are formed.The Elements of Bacteriological Technique | John William Henry Eyre
For each myotome there is a single nerve, which enters, as in the case of other fishes, the intermuscular septum.
It is not possible from transverse sections to determine for certain whether the septum spoken of is complete.
By the close of stage K, the septum between the mouth and throat becomes pierced, and the two are placed in communication.
The two Wolffian ducts meet at so acute an angle that their hindermost extremities are only separated by a septum.
British Dictionary definitions for septum
biology anatomy a dividing partition between two tissues or cavities
a dividing partition or membrane between two cavities in a mechanical device
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for septum
A thin wall or membrane that separates two parts or structures in an organism. Septae separate the chambers of the heart and subdivide the hyphae of some fungi.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.