ASCUS (Formerly Theca)
This article is about the spore-bearing cell in fungi. For Atypical Squamous Cells of Undetermined Significance (ASCUS), seeĀ Bethesda system. For the Greek mythological giant, seeĀ Ascus (mythology). (pl.Ā asci)Ā aĀ cellĀ presentĀ inĀ theĀ fruitingĀ bodyĀ ofĀ ASCOMYCETEĀ fungiĀ inĀ whichĀ theĀ fusi
The first hepatitis B vaccine was approved in the United States in 1981.Ā A recombinant version came to market in 1986.Ā Both versions were developed byĀ Maurice HillemanĀ and his team. (a history of hepatitis B vaccine)
Preliminary work In 1963, the American physician/geneticistĀ Baruch Blumberg, working at theĀ Fox Chase Cancer Center, discovered what he called the “Australia Antigen” (HBsAg) in the serum of anĀ AustralianĀ Aboriginal person. In 1968, this protein was found to be part of the virus that
No proof for the need of zinc in human cells was shown until the late 1930s where its presence was demonstrated inĀ carbonic anhydraseĀ and the 1960s where it was identified as a necessary element for humans
Zinc was identified to be essential in fungal growth of yeast as shown by Jules Raulin in 1869 yet no proof for the need of zinc in human cells was shown until the late 1930s where its presence was demonstrated in carbonic anhydrase and the 1960s where it was ident