elasmobranch etymology
“Affect” vs. “Effect”: Use The Correct Word Every Time. Any of various cartilaginous fishes of the subclass Elasmobranchii, having five to seven pairs of lateral gill slits and including the sharks, rays, and skates. See more. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Meaning of Elasmobranchii. The term elasmobranch refers to the sharks, rays, and skates in the subclass Elasmobranchii and class Chondrichthyes. Etymology.—In order to retain the names of Mr. and Mrs. ... and phylogenetic analysis places both taxa securely as members of the elasmobranch stem lineage. Elasmobranchii is a subclass of Chondrichthyes or cartilaginous fish, including the sharks and the rays, skates, and sawfish. Copyright © 2011. In this layer nuclei appear, which are equivalent to those in the Elasmobranch ovum. Freebase (0.00 / 0 votes) Rate this definition: Elasmobranchii. They are cartilaginous fish. Etymology. a metal plate + L. branchia a gill.] Other articles where Elasmobranch is discussed: chondrichthyan: Problems of taxonomy: …further grouped into one subclass, Elasmobranchii, and the chimaeras into another, Holocephali. Dictionary.com Unabridged Mississippi’s nickname comes from the magnificent trees that grow there. etymology not explained, perhaps clado, branch; –ista, a signifying agent, i.e., “one that branches,” possibly referring to basally branching rays of polypterids (bichirs) Order POLYPTERIFORMES Bichirs Family POLYPTERIDAE (2 genera • 14 species) Superclass ACTINOPTERYGII Class ACTINOPTERI Subclass CHONDROSTEI “Epidemic” vs. “Pandemic” vs. “Endemic”: What Do These Terms Mean? Did you ever collect all those state quarters? What is it? Published by Houghton Mifflin Harcourt Publishing Company. Elasmobranch definition, belonging or pertaining to the Elasmobranchii, the subclass of cartilaginous fishes comprising the sharks and rays. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Absentee Ballot vs. Mail-In Ballot: Is There A Difference? All Free. Until the 16th century, sharks were known to mariners as "sea dogs". Collins Concise English Dictionary © HarperCollins Publishers:: WordReference Random House Unabridged Dictionary of American English © 2020. Elasmobranch ultimobranchial glands contain a potent hypocalcemic factor when assayed in mammals, but extracts of shark ultimobranchial glands, salmon CT, and porcine CT are all ineffective in sharks. It is professional enough to satisfy academic standards, but accessible enough to be used by anyone. The development of the Elasmobranch ovary has recently formed the subject of three investigations. The online etymology dictionary is the internet's go-to source for quick and reliable accounts of the origin and history of English words, phrases, and idioms. ... Etymology: of uncertain origin; apparently the word and the first specimen were brought to ... (Source: Online Etymology) Elasmobranchs include the sharks, rays, and skates. Forum discussions with the word(s) "elasmobranch" in the title: In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic. Put them to good use on this quiz about curious state monikers and the facts around them. branch (ĭ-lăz′mə-brăngk′) n. Any of various cartilaginous fishes of the subclass Elasmobranchii, having five to seven pairs of lateral gill slits and including the sharks, rays, and skates. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. ⓘ One or more forum threads is an exact match of your searched term. Elasmobranch fishes may be taken as the type to illustrate the mode of formation of the spinal nerves. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. What Is The Difference Between “It’s” And “Its”? The American Heritage® Science Dictionary ... Etymology: [NL., fr. This is still evidential in several species termed "dogfish," or the porbeagle.The etymology of the word "shark" is uncertain, the most likely etymology states that the original sense of the word was that of "predator, one who preys on others" from the Dutch schurk, meaning "villain, scoundrel" (cf. belonging or pertaining to the Elasmobranchii, the subclass of cartilaginous fishes comprising the sharks and rays. Rajidae definition is - a family of elasmobranch fishes consisting of the skates. elasmobranch - WordReference English dictionary, questions, discussion and forums. Curiously, estrogens do not produce any appreciable alteration in plasma calcium as they do in bony fishes and non-mammalian tetrapods. What does Elasmobranchii mean? Help WordReference: Ask in the forums yourself. Gr. shark (elasmobranch) Definition: any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small tooth-like scales. The pectoral fins of elasmobranchs are often greatly enlarged. Who Is The “Jack” In The Term “Jack-o’-lantern,” Anyway? https://www.thefreedictionary.com/elasmobranch. The development of the Elasmobranch excretory system has been mainly studied by Semper and myself. Why Do “Left” And “Right” Mean Liberal And Conservative? No titles with the word(s) "elasmobranch". In the higher types the earlier changes are precisely the same as those in Elasmobranch Fishes. Elasmobranchii is a subclass of Chondrichthyes or cartilaginous fish, that includes the sharks and the rays and skates. Any of numerous cartilaginous fishes of the subclass Elasmobranchii, having five to seven gill slits on each side, dermal denticles for scales, and a small respiratory opening (spiracle) behind each eye. All rights reserved. “Democracy” vs. “Republic”: Is There A Difference? Look up "elasmobranch" at Merriam-Webster. 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