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Arthropoda

(Encyclopedia) ArthropodaArthropodaärthrŏpˈədə [key] [Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders,…

AIDS, in medicine

(Encyclopedia) AIDS or acquired immunodeficiency syndrome, fatal disease caused by a rapidly mutating retrovirus that attacks the immune system and leaves the victim vulnerable to infections,…

Chordata

(Encyclopedia) CE5 Common features in representative groups of the phylum Chordata ChordataChordatakôrdāˈtə, –däˈ– [key], phylum of animals having a notochord, or dorsal stiffening rod, as the…

William Shakespeare: Merchant of Venice, Act IV

Act IVScene IVenice. A court of justiceEnter the Duke, the Magnificoes, Antonio, Bassanio, Gratiano, Salerio, and othersDukeWhat, is Antonio here?AntonioReady, so please your grace.DukeI am…

element

(Encyclopedia) CE5 element, in chemistry, a substance that cannot be decomposed into simpler substances by chemical means. A substance such as a compound can be decomposed into its constituent…

cancer, in medicine

(Encyclopedia) cancer, in medicine, common term for neoplasms, or tumors, that are malignant. Like benign tumors, malignant tumors do not respond to body mechanisms that limit cell growth. Unlike…