Term |
Explanation |
H |
H antigens: flagellar antigens (E. coli) |
HA |
Hemagglutination |
Halophilic |
Describes bacteria which can grow in high salt concentration
(low water activity (down to about 0.75)) |
Hanging drop slide |
Microscope slide with a concave depression which leaves
room for a liquid drop on the bottom of the cover slip; used to observe
living microorganisms. |
HATTS |
Hemagglutination-Treponemal test for Syphilis |
HeLa |
Designates a common tissue culture cell line. |
Hemocytometer |
Microscope slide designed as a counting chamber of known
volume; originally for blood cells; also used for microorganisms |
HEPES |
N-(2-hydroxyethyl)piperazine-N’-ethanesulfonic acid; buffer
for pH range 6.8-8.2. |
HEPPSO |
N-(2-hydroxyethyl)piperazine-N’-2-hydroxypropanesulfonic
acid; buffer for pH range 7.1-8.5. |
HI |
Hemagglutination inhibition |
High-acid food |
A food with pH < 4.0 |
HTST |
High temperature short time: sterilization or pasteurization
by brief exposure to high temperature (e. g., 161 °F for 15 seconds)
|
Hydrol molasses |
Residue from production of glucose from corn syrup |
Hyperthermophile |
A microorganism which can survive at temperatures >
90 C |
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