Biology
- 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...
- Spermatogenesis
Term: spermatogenesisLiterally meaning: ?process of producing sperm?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse)+ ?????/geno (= ?give birth to?, ?producer of?)Coined/History(?)DefinitionSpermatogenesis is...
- Aspermia
Term: aspermia a+ spermia = lack of sperm Origin: Anc Greek? (=(privative) + ??????/sperma(=sperm) DefinitionA major cause of male infertility characterized complete lack of semen. The reduced level of sperm is called oligospermia....
- 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...
- Infertility And Assisted Reproductive Technologies (art)
INFERTILITY & ASSISTED REPRODUCTIVE TECHNOLOGIES (ART) Infertility is the inability of male or female to produce children. The reasons for this may be physical, congenital, diseases, drugs, immunological or even psychological. Assisted...
Biology
oligospermia
Term: oligospermia
oligo+spermia= a few sperm
Origin: Anc Greek
??????/oligos(=a few)
+??????/sperma(=sperm)
Definition
A major cause of male infertility characterized by reduced level of sperm.
- 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...
- Spermatogenesis
Term: spermatogenesisLiterally meaning: ?process of producing sperm?Origin: Anc Greek??????(=seed) > ??????/spearo (=disperse)+ ?????/geno (= ?give birth to?, ?producer of?)Coined/History(?)DefinitionSpermatogenesis is...
- Aspermia
Term: aspermia a+ spermia = lack of sperm Origin: Anc Greek? (=(privative) + ??????/sperma(=sperm) DefinitionA major cause of male infertility characterized complete lack of semen. The reduced level of sperm is called oligospermia....
- 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...
- Infertility And Assisted Reproductive Technologies (art)
INFERTILITY & ASSISTED REPRODUCTIVE TECHNOLOGIES (ART) Infertility is the inability of male or female to produce children. The reasons for this may be physical, congenital, diseases, drugs, immunological or even psychological. Assisted...