Search Results for: microscopy
Fluorescence microscopy
Definition noun A technique using a light microscope to study properties of organic or inorganic substances using the... Read More
Fluid mosaic model
Fluid Mosaic Model Definition What is the fluid mosaic model? The fluid mosaic model is a three-dimensional representation... Read More
Smooth endoplasmic reticulum
Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is part of or a region in the endoplasmic... Read More
Fluorescence
Definition noun The absorption and the immediate re-emission of light or photon, which has longer wavelength when re-emitted... Read More
Glycocalyx
What is the Glycocalyx? The glycocalyx is a polysaccharide-based gel-like, highly hydrous cellular thin layer, covering... Read More
Granulocyte
Definition noun, plural: granulocytes A leukocyte characterized by the presence of numerous staining granules in the... Read More
Basal lamina
Definition noun (histology) A layer of extracellular matrix found on the basal surface of epithelial cells, and which is... Read More
Neuroanatomist
Definition noun, plural: neuroanatomists An expert or a researcher in the field of neuroanatomy Supplement Neuroanatomists... Read More
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Microbiology
Definition noun The branch of science that deals with microorganisms and their effects on other living... Read More
Electron micrograph
Electron micrograph (Science: microscopy) a photographic reproduction of an image formed by the action of an electron beam.... Read More
Plasmolysis
Plasmolysis is the shrinking of protoplasm away from the cell wall of a plant or bacterium. The protoplasmic shrinking is... Read More
Hanging drop slide
Definition noun (microscopy) A glass slide prepared by hanging drop technique to observe living and motile microscopic... Read More
Decomposer
Decomposer Definition The organisms that carry out the process of decay or breakdown of the dead organism are known as... Read More
Dynamic range
Dynamic range (Science: microscopy) in video and other electronic equipment and in photographic emulsions, the ratio of the... Read More
Transcription unit
Definition noun A stretch of DNA being transcribed into an RNA molecule. Supplement Transcription units are mapped by... Read More
Iodine test
Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More
Peroxidase
peroxidase (Science: enzyme) A haem enzyme that catalyses reduction of hydrogen peroxide by a substrate that loses two... Read More
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More
Selectively-permeable membrane
Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More
Meiotic spindle
Meiotic Spindle Definition The meiotic spindle refers to the spindle apparatus that forms during meiosis in contrast to... Read More
Cytomorphology
Definition noun The study of cellular morphology Supplement Cytomorphology is useful in determining the external features of... Read More
Cell morphology
The basic essence for any living organism is its structural framework which includes appearance, form, and the... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More
Quinacrine banding
Definition noun (cytogenetics) A chromosome banding method that treats chromosomes with quinacrine dihydrochloride to reveal... Read More
Kupffer cell
Definition noun, plural: Kupffer cells A specialized stellate macrophage cell that is located fixedly within the liver... Read More
Mitochondrial DNA
Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More
Stratum spinosum
Definition noun The thin layer of the epidermis between stratum basale and stratum granulosum, and comprised of... Read More
Eosinophil
Definition noun, plural: eosinophils A type of polymorphonuclear leukocyte characterized by having a kidney-shaped nucleus,... Read More
Chlorosome
Chlorosome is a photosynthetic micro-compartment that serves as a light-harvesting complex in sulfur bacteria and other... Read More
Working distance free
working distance free (Science: microscopy) The distance between the front lens of the objective and the coverslip (or... Read More
Visibility limit of
visibility, limit of (Science: microscopy) For the normal eye, the limit of visibility is considerably below the limits of... Read More