septal

[sep-tl]

sep·tal

[sep-tl]
adjective Biology.
of or pertaining to a septum.

Origin:
1830–40; sept(um) + -al1

pre·sep·tal, adjective
su·per·sep·tal, adjective
trans·sep·tal, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Septal is always a great word to know.
So is kin selection. Does it mean:
corresponding in structure because of a common origin
natural selection that favors altruistic behavior toward close relatives resulting in an increase in the individual's genetic contribution to the gene pool
Collins
World English Dictionary
septal (ˈsɛptəl)
 
adj
of or relating to a septum

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

septal sep·tal (sěp'təl)
adj.
Of or relating to a septum or septa.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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