eggshell

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egg·shell

(eg'shel),
The calcareous envelope of a bird's egg.

eggshell

(ĕg′shĕl′)
n.
The thin, often brittle exterior covering of the egg of a bird or reptile.
References in periodicals archive ?
In the same year Moratalla (1993) gave the name "Fontllonga" (later named "Fontllonga L"; Moratalla, 1998) to a locality with dinosaur eggshells.
Eggshells were analyzed by TGA/DSC 1 model Mettler Toledo.
2+] from aqueous solution onto the eggshells were carried out using batch equilibrium techniques.
But by analyzing the size, shape and texture of the eggshells, the team was able to deduce which animals left those eggs so long ago.
Chicken Eggshell Matrix Proteins Enhance Calcium Transport in the Human Intestinal Epithelial Cell, Caco-2," J.
Eggshells were collected from Andhra University College of Engineering hostels, Visakhapatnam, Andhra Pradesh, India.
The two pigments found in the eggshells were protoporphyrin and biliverdin.
Cindy Barrera, a postdoctoral researcher in Cornish's lab, found in tests that eggshells have porous microstructures that provide larger surface area for contact with the rubber, and give rubber-based materials unusual properties.
CEs had thinner eggshells (Figure 4a), whereas IEs had the highest eggshell breaking strength, followed by MEs and SEs, and CEs (Figure 4b).
Avian eggshells exhibit a variety of colors and patterns whose functions include camouflage, detection of brood parasites, and facilitation of embryonic development.
The samples of eggshells were collected on the 1st, 14th, 18th and 21st day of incubation.