A coccus (plural cocci ) is any bacterium that has a spherical, ovoi or generally round shape. It is one of the three distinct bacterial shapes, the other two being bacillus (rod-shaped) and spiral-shaped cells. Cocci is an English loanword of a modern or neo-Latin noun, which in turn stems from the Greek masculine noun . Rapporter et annet bilde Rapporter det støtende bildet.
Bacteria are classified by direct examination with the light microscope through its morphology and aggregation.
The basic forms are spheres ( coccus ) and round- ended cylinders (bacillus). But there may be others such as helically twisted cylinders (spirochetes), cylinders curved in one plane (Selenomonads) and unusual . Many species of bacteria have characteristic arrangements that are useful in identification. Pairs of cocci are called.
The coccus bacteria (or cocci ) have a spherical or oval shape, sometimes slightly flattened when they are adjacent to one another. There are a number of bacteria in this category which are pathogenic (disease-causing) in humans. These bacteria may live singly, or may be found in aggregates or clusters.
Define coccus : a spherical bacterium — coccus in a sentence.
Coccus definition, Bacteriology. Low Back Pain Pictures Slideshow: Symptoms, Causes, Treatment and Relief. Phylloxera, fil-ok-sē′ra, n. Looking for online definition of coccus in the Medical Dictionary? Meaning of coccus medical term. The spiral bacteria are spirilla (singular form is spirillus) and the rod-shaped bacteria are bacilli (singular form is bacillus).
Definition of coccus – any spherical or roughly spherical bacterium. From Biology-Online Dictionary. Jump to: navigation, search. Science: microbiology) a bacterium with a rounded or spherical shape. Any spherical or nearly spherical bacteria.
Pertaining to bacterium with a round appearance. New Latin coccus , from Ancient Greek κόκκος ( kókkos, “grain, seed”). Any approximately spherical bacterium.
Modern Latin from Classical Greek kokkos, a kernel, see berry. See a rich collection of stock images, vectors, or photos for coccus you can buy on Shutterstock.