Biology
lichen
Term: lichen
Origin: Anc Greek ?????/licho(=lick) because lichens seem to lick stones and barks of trees.
Coined: by Theophrastus (371-284 BC) in order to describe a superficial growth on the bark of olive trees.The dual nature of lichens was discovered in 1867, by Swiss botanist Simon Schwendener. Bonnier synthesized succesefully a lichen in the year 1886-9 by growing fungal spores with algae.
The medicinal use of lichens can be traced back to the ancient period (18th cen BC) when Evernia furfuracea was first used as a drug to treat the disease which looked like. In the same sense the yellow Xanthoria parietine was used to cure jaundice, while other species of Evernia, Peltigera, Parmelia, Cladonia, Roccella and Pertusaria were used to control diarrhoea, infections, skin diseases, epilepsy, and others medical conditions.
Definition:
1. (botany) Lichen is a successful autotrophic symbiotic association of a fungus with a photosynthetic partner usually an alga, but sometimes it can be a photosynthesizing bacterium known as a cyanobacterium.
-
Angiocarpous
Term: angiocarpousLiterally meaning: ?fruit in vessel?Origin: Anc Greek??????/aggio (=vessel, receptacle) > ?????/aggos(=tube)??????/carpos(=fruit, grain)Coined/History(?)DefinitionAngiocapous is the fruit partially or wholly enclosed in a shell,...
-
Porphyra
Term: porphyraLiterally meaning: ?purple-red color?Origin: Anc Greek???/pyr(=fire) +????/phyro(=stir)Coined/HistoryGreek ?porphyra? (Latin, ? purpura?) was a very expensive dye in texts dated about 1600 BC. The use and large scale production of the dye...
-
Thallus
Term: thallus (pl thalli) Origin: Anc Greek ??????/thallos(=young shoot) > ?????/threpho(=feed)Definition:Thallus is the undifferentiated tissue of some algae, fungus, and other lower organisms as liverworts and lichens which are not organized...
-
Heroin
Term: Heroin Origin: German word ?heroisch? > Greek ???????/heroicos (=heroic) > because of its perceived euphoric effect upon a user. ???? > ?????? /roomai(=dash) Coined: in 1898 as a trademark by Aktiengesellschaft...
-
More Than The Sum Of Its Parts
Biology concepts ? symbiosis, lichen products, weathering, pedogenesis During the Depression, the Civilian Conservation Corps got the idea to have unemployed people earn some money by planting kudzu vine in the South to reduce erosion. It seemed like...
Biology