"Tubercles" Natural Recordings by Native Speakers
Tubercles are small projections or elevations on a surface, especially on an anatomical structure. They can be found on various parts of the body, such as:
In botany, tubercles are small, rounded or horn-like projections on leaves, stems, or roots, often serving as sites for the attachment of adventitious roots.
In anatomy, tubercles can refer to small, rounded or dome-shaped projections on bones, such as the tubercles on the distal ends of the humerus or femur.
In engineering, tubercles are small, rounded or bump-like protuberances on the surface of a component, such as a valve or a bearing.
In general, the term "tubercle" refers to a small, rounded, or bulging outgrowth or elevation that serves a specific function or provides additional support or structure to a surface.
Here are 5 usage examples:
Having no tube or tube-like structure; used to describe a rubber-based tire that has no inner tube, instead using a self-sealing or inflatable bladder.
Tubercularia refers to a type of fungus, specifically a genus of fungi in the family Nitschkiaceae, which is parasitic or saprotrophic. The genus contains several species that can cause diseases in plants, such as tubercularia leaf spot and tubercularia blight.<br><br>In pathology, Tubercularia can also refer to a fungus-like condition that resembles tuberculosis, caused by a group of bacteria (not to be confused with the disease caused by Mycobacterium tuberculosis).
Tuberculin is a preparation of protein extracted from the bacteria Mycobacterium tuberculosis, the germ that causes tuberculosis (TB). It is used for testing susceptibility to TB and in the diagnosis of TB in humans. The tuberculin test, also known as the Mantoux test, involves injecting tuberculin into the skin, where it will develop a reaction in people who are sensitized to the bacteria.
Tuberculocidal refers to the ability of a substance to kill bacteria that cause tuberculosis, specifically Mycobacterium tuberculosis. It indicates that a product or agent has the properties to be effective against this particular type of bacteria. In medical and sanitary contexts, the term often appears in formulations of disinfectants and antiseptics designed to target microbes.
Tuberculocidin is a toxin produced by the bacterium Paenibacillus polymyxa. It is a ribosomally synthesized and post-translationally modified peptide (RiPP) that has been shown to have various biological activities, including anti-tumor and anti-bacterial effects.<br><br>Tuberculocidin is notable for its ability to inhibit protein synthesis and cell growth in various microorganisms, including bacteria and fungi. Its mechanism of action is thought to involve the inhibition of the enzyme ribosomal RNA synthetase, which is essential for protein synthesis.<br><br>Tuberculocidin has also been shown to have potential applications in the development of new antibiotics and antitumor agents. However, its associated with hemolytic activity at higher concentrations, which limits its use in the clinic.