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Zona

Noun, plural zonas or zonae or zonæ 1. A zone or band; a layer (wiktionary.org); A band or a layer surrounding a structure, for example, zona pellucida refers to the layer surrounding a mammalian ovum. (biology-online.org) 2. Any encircling or belt-like structure....

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Zonule

/ˈzəʊnjuːl/ Noun 1. A little zone, or girdle; a zonula. (wiktionary.org) 2. A small zone, as of a ligament. (freedictionary.com) Word origin: From zonula, probably influenced by diminutive suffix –ule (“diminutive...

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Zooflagellate

Noun, pl. zooflagellates 1. Any of the animal-like flagellates characterized by their lack of chlorophyll and heterotrophic mode of nutrition. (www.biology-online.org) 2. (Microbiology) Any of the heterotrophic flagellates of the phylum Zoomastigophora. (wiktionary.org) Word origin: Greek: zôion, animal + flagellate » Latin flagellātus, ptp. of flagellāre to...

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Zoology

/zo-ol´o-je/ Noun 1. Deals the study of animals, including classification, physiology, development, and behavior (branches include: Entomology, Ethology, Herpetology, Ichthyology, Mammalogy, and Ornithology). 2. A branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct.   Word origin: From Ancient Greek ζῷον (zōon, “animal”) + λόγος (logos,...

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Zoomastigaphora

1. Zoomastigophora refers to the phylum more commonly known as Zooflagellates under the Kingdom Protista. They are single-celled, eukaryote, and heterotrophic and may form symbiotic relationships with other organisms, an example of which is Trichomonas. They also may be parasitic, causing diseases such as the African Sleeping Sickness, caused by the zooflagellate Trypanosoma. (Wikipedia.org) 2. A class or a taxonomic group belonging to Subphylum Mastigophora that includes colourless, heterotrophic, flagellate protozoans....

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