atresic
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a·tre·sia
(ə-trē′zhə, -zhē-ə)n.
1. The absence or closure of a normal body orifice or tubular passage such as the anus, intestine, or external ear canal.
2. The degeneration and resorption of one or more ovarian follicles before a state of maturity has been reached.
[New Latin atrēsia : Greek a-, not, without; see a-1 + Greek trēsis, perforation, orifice; see terə- in Indo-European roots.]
a·tre·sic (-zĭk, -sĭk) adj.
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.
atresic
(əˈtriːzɪk) oratretic
adj
marked by atresia
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014