shell egg

  • 81shell — [[t]ʃɛl[/t]] n. 1) zool. a hard outer covering of an animal, as of a clam, snail, lobster, or turtle 2) zool. the material constituting any of various coverings of this kind 3) zool. the hard exterior of an egg 4) bot the usu. hard outer covering …

    From formal English to slang

  • 82egg tooth — a calcareous prominence at the tip of the beak or upper jaw of an embryonic bird or reptile, used to break through the eggshell at hatching. [1890 95] * * * ▪ anatomy       tooth or toothlike structure used by the young of many egg laying species …

    Universalium

  • 83Egg spoon — An egg spoon is specially designed for use in eating boiled eggs. In comparison to a teaspoon it typically has a shorter handle and bowl, a more pointed tip and often a more rounded bowl.Fact|date=December 2007 These characteristics are intended… …

    Wikipedia

  • 84egg membrane — any of several investments surrounding the oocyte: if derived from the oocyte itself, as the vitelline membrane, it is called primary; if from the follicular cells, as the zona pellucida, it is called secondary; if from the oviduct, as the… …

    Medical dictionary

  • 85shell — 1. noun /ʃɛl/ a) The calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefish, the shell is concealed by the animals outer mantle and is considered internal. b) The hard …

    Wiktionary

  • 86shell gland — noun 1. : a looped tubular excretory organ of an entomostracan or the young of many other crustaceans that ends blindly at one extremity and opens to the exterior on or near the second maxilla 2. : a glandular organ in the embryo of many mollusks …

    Useful english dictionary

  • 87egg case — the keratinous egg shell of Myxini, Elasmobranchii and Holocephali containing the developing embryo …

    Dictionary of ichthyology

  • 88egg-case — the keratinous egg shell of Myxini, Elasmobranchii and Holocephali containing the developing embryo …

    Dictionary of ichthyology

  • 89egg — The female sexual cell, or gamete; after fertilization and fusion of the pronuclei it is a zygote and no longer an e.. In reptiles and birds, the e. is provided with a protective shell, membranes, albumin, and yolk for the nourishment of the …

    Medical dictionary

  • 90egg shell — hard outer covering of an egg …

    English contemporary dictionary