cleidoic egg

Also found in: Medical.

cleidoic egg

(klaɪˈdəʊɪk)

(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.

Ethanol- and/or taurine-induced oxidative stress in chick embryos

All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.