cleidoic egg
1cleidoic egg — an egg (such as that of a reptile, bird, or primitive mammal) that has within itself enough nutritive material for production of a complete embryo, needing to absorb nothing from its environment except oxygen. Except for oxygen intake, it can… …
2cleidoic — clei·do·ic klī dō ik adj of an egg enclosed in a relatively impervious shell which reduces free exchange with the environment <the eggs of birds are cleidoic> * * * clei·do·ic (kli doґik) [Gr. kleidouchos holding the keys] isolated from the …
3cleidoic — (ˈ)klī|dōik adjective Etymology: Greek kleidoun to fasten, lock in (from kleid , kleis key, bolt) + English ic of an egg : cut off or isolated from free exchange with the environment by reason of a more or less impervious shell the eggs of birds… …
4cleidoic — adj. [Gr. kleis, bar; oion, egg] Pertaining to an egg enclosed within a shell or membrane that is permeable only to gasses …
5cleidoic — adjective Etymology: Greek kleidoun to fasten, lock in, from kleid , kleis key more at clavicle Date: 1931 of an egg enclosed in a relatively impervious shell which reduces free exchange with the environment …
6animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by …
