cleidoic egg


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cleidoic egg

(klaɪˈdəʊɪk)
n
(Zoology) the egg of birds and insects, which is enclosed in a protective shell limiting the exchange of water, gases, etc
[C20: from Greek kleidoun to lock up, from kleid-, kleis key]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Unlike mammalian embryos, avian embryos are closed systems (cleidoic egg) that offer the ability to solely observe embryonic responses to a teratogen as compared to combined maternal responses, fetal responses, and maternal to fetal transport as seen within eutherian embryos.