Search Results for: dye
Neutral dye
Definition noun, plural: neutral dyes (biological techniques) A compound of an acid dye and a basic dye used in staining... Read More
Gram staining
Definition noun A staining method performed to determine whether a bacterial species is gram-positive (i.e. violet stain) or... Read More
Metachromasia
Definition noun (1) A property of a dye in which the resulting color of the stain is different from the color of the dye... Read More
Counterstain
Definition noun The dye or stain that is used to differentiate one component or cellular structure from another, or to... Read More
Gram-positive endospore-forming rods
Gram-Positive Endospore-Forming Rods Definition Gram-positive endospore-forming rods are a group of rod-shaped bacteria... Read More
Differential stain
Definition noun The dye or stain that is used to differentiate one component or cellular structure from another, or to... Read More
Giemsa stain
Definition noun A Romanovsky type of stain named after German chemist and bacteriologist Gustav Giemsa, and is often used in... Read More
Gram-indeterminate bacteria
Definition noun, singular: gram-indeterminate bacterium Bacteria that do not respond to gram staining and, therefore, are... Read More
Gram-positive bacilli
Definition noun, singular: gram-positive bacillus A group of rod-shaped bacterial cells that appears violet through Gram's... Read More
Plaque assay
Definition noun An assay used for virus isolation and purification, and to determine viral titers. Supplement The plaque... Read More
Chlorophyll
Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More
Y chromatin
y chromatin Brilliantly fluorescent body seen in cells stained with the dye quinacrine which lights up the y chromosomes... Read More
Gram-positive cocci
Definition noun, singular: gram-positive coccus A group of spherical bacteria that retains the violet stain following gram... Read More
Supravital stain
supravital stain (Science: technique) A procedure in which living tissue is removed from the body and cells are placed in a... Read More
Gram-positive bacteria
Definition noun, singular: gram-positive bacterium A group of bacterial cells that retains the violet colour following ... Read More
Spongioplasm
Definition noun (1) The network or reticulum formed by the fibrils or granules thinly scattered in the cytoplasm. (2) The... Read More
Gram-negative
Definition adjective Of, or relating to the group of bacteria that take the color of the counterstain (i.e. pink) under the... Read More
Schiffs reagent
Schiff's reagent An aqueous solution of basic fuchsin or pararosaniline which is decolorised by sulfur dioxide, commonly... Read More
Metachromatic granules
Definition noun (1) Granules within cells of an organism exhibiting metachromasia (2) Cytoplasmic inclusions that occur in... Read More
Chromosome
Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More
Neuroanatomist
Definition noun, plural: neuroanatomists An expert or a researcher in the field of neuroanatomy Supplement Neuroanatomists... Read More