Biology
- 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...
- 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...
- Spermatodactyl
Term: spermatodactylLiterally meaning: ?sperm finger?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse)+????????/dactylos(=finger) > ???????/deictes(=index finger) + ????/ero(=lift, rise)Coined/History(?)DefinitionSpermatodactyl...
- Spermatogonium (pl Spermatogonia)
Term: spermatogonium (pl spermatogonia)Literally meaning: ?genital passage?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse) +?????/gonos(=offspring)> ?????/ genea(=generation) >?????/geno(= ?produce?, ?give birth to?)Coined/History(?)DefinitionSpermatogonia...
- Sex Determination In Animals
Sex chromosomes and AutosomesMost of the diploid organisms are with separate sexes. The organisms producing sperms are called males and those producing eggs (ova) are called females. Chromosome is the major factor to determine the sex of an organism. The...
Biology
spermatogenesis
Term: spermatogenesis
Literally meaning: ?process of producing sperm?
Origin: Anc Greek
??????(=seed) > ??????/spearo (=disperse)
+ ?????/geno (= ?give birth to?, ?producer of?)
Coined/History
(?)
Definition
Spermatogenesis is the process os sperm cell development in male testis with the beginning of puberty. Immature sperm cell undergo successive mitotic and meiotic divisions (spermatocytogenesis) and morphological change to produce spermatozoa.
- 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...
- 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...
- Spermatodactyl
Term: spermatodactylLiterally meaning: ?sperm finger?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse)+????????/dactylos(=finger) > ???????/deictes(=index finger) + ????/ero(=lift, rise)Coined/History(?)DefinitionSpermatodactyl...
- Spermatogonium (pl Spermatogonia)
Term: spermatogonium (pl spermatogonia)Literally meaning: ?genital passage?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse) +?????/gonos(=offspring)> ?????/ genea(=generation) >?????/geno(= ?produce?, ?give birth to?)Coined/History(?)DefinitionSpermatogonia...
- Sex Determination In Animals
Sex chromosomes and AutosomesMost of the diploid organisms are with separate sexes. The organisms producing sperms are called males and those producing eggs (ova) are called females. Chromosome is the major factor to determine the sex of an organism. The...