Biology
polyspermy
Term: polyspermy
Literally meaning: ?state of having several sperms?
Origin: Anc Greek
????-/poly-(=many, several)
+ ??????(=seed) > ??????/spearo (=disperse)
Coined/History
(?)
Definition
Polyspermy is the condition of an ovum that is fertilized by more than one sperm. Polyspermy creates inviable zygotes that have multiple set of chromososmes (one from egg and the rest by different sperms)
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Angiosperm
Term: angiospermLiterally meaning: ?sperm vessel?Origin: Anc Greek??????/aggio (=vessel, receptacle) > ?????/aggos(=tube)?????? (=seed) > ??????/spearo (=disperse)Coined/HistoryAngiosperms appeared during Jurassic period (203-135 million...
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Spermatozoon (pl Spermatozoa)
Term: spermatozoon (pl spermatozoa)Literally meaning: ?a live and motile seed?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse)Coined/HistorySpermatozoa were first observed in 1677 by Antonie van Leeuwenhoek with a microscope. Leeuwenhoek...
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Sperm
Term: spermLiterally meaning: ?seed?Origin: Anc Greek??????/sperma(=seed) > ??????/spearo (=disperse)Coined/History Spermatozoa were first observed in 1677 by Antonie van Leeuwenhoek with a microscope. Leeuwenhoek named them animalcules(litle...
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Spermatogenesis
Term: spermatogenesisLiterally meaning: ?process of producing sperm?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse)+ ?????/geno (= ?give birth to?, ?producer of?)Coined/History(?)DefinitionSpermatogenesis is...
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Spermatocele
Term: spermatoceleLiterally meaning: ?swelling in place of sperms?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse)+????/kele(=hernia) > ??????/keleos(=burn, rupture)Coined/History(?)Definition1. Spermatocele...
Biology