Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 323the shell.enantiomorphic a. [Gr. enantios, opposite; morphe, form]Alike but contraposed as a mirror image.enarthrosis n. [Gr. en, in; arthron, joint] An articulation; aball and socket joint.encapsulation n. [Gr. en, in; L. dim. capsa, box] 1. Enclosedin a capsule or membrane. 2. An animal host surroundingand walling off internal parasites; capsules often involveblood cells, or melanin formation.encephala a. [Gr. encephalos, brain] (MOLL) Pertaining tobearing a head and usually protected by a spiral shell.encephalon n. [Gr. encephalos, brain] The brain.encrusting colony (BRYO) A colony in which most individualsare attached to the substrate.encyst v.t. [Gr. en, in; kystis, bladder] To form a cyst, or becomeenclosed within. see excyst.endemic a. [Gr. endemos, native] 1. Confined to a given region;indigenous, native. 2. Any disease occurring at thenormal or expected level. see epidemic, pandemic.end-hook (ARTHRO: Insecta) In Odonata, a small hook at theinner border of the lateral lobes of the labium.endite n. [Gr. endon, within] 1. The inner lobe of any limbsegment. 2. (ARTHRO: Chelicerata) The plate borne by thecoxa of the pedipalps of most spiders, that functions as acrushing jaw. 3. (ARTHRO: Crustacea) The inwardly (medially)directed lobe of the precoxa, coxa, basis, or ischium.endite lobes (ARTHRO: Insecta) The lacinia and galea on theinner apical angle of the stipes.endobiotic a. [Gr. endon, within; bios, life] Living in the cellsor tissues of another living organism. see exobiotic.endoblast see endodermendocardium n. [Gr. endon, within; kardia, heart] The membranelining the inner surface of the heart.endochorion n. [Gr. endon, within; chorion, membrane] Theinner layer of the chorion of an egg shell. see exochorion.endocoele, endocoel n. [Gr. endon, within; koilos, hollow]