noun[mass noun] Biology & Medicine
1The growth in an artificial medium of cells derived from living tissue.
- The antigen for spiking the specimens designated as CA 15-3 and CA 27.29 was derived from a cell line grown by aseptic tissue culture.
- Macrophages also can more easily be grown in tissue culture than stem cells, and future studies will even look at whether they can be genetically modified before transplantation.
- As a critical plant hormone, auxin modulates such diverse processes as tropic responses to light and gravity, general root and shoot architecture, organ patterning, vascular development and growth in tissue culture.
1.1 [count noun] A preparation of cells obtained by tissue culture.
- Sputum and tissue cultures usually reveal staphylococcal or streptococcal organisms as causative pathogens.
- Animal testing opponents say there are other ways to gather data, including the use of computer technology, cell tissue cultures and chemical toxicity tests.
- Diagnosis of infection therefore relies heavily on clinical parameters, with the aid of blood, surface, or tissue cultures to identify likely pathogens.
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