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• F

  Under Flavobacterium spp.: NCTC, strain originally received for identification. Elsewhere, see FH

• F10

  Ham's F10 nutrient medium

• F12

  Ham's F12 nutrient medium

• F12k

  Modified Ham's F12 nutrient medium

• FAQ

  Frequently Asked Questions

• FAO

  Food and Agriculture Organisation

• FBA

  Freshwater Biological Association, originally at Ambleside, Westmorland, UK

• FBS

  Foetal Bovine Serum (also known as FCS)

• FBS (Foetal Bovine Serum) / FCS (Foetal Calf Serum)

  Serum from blood plasma that contains the wide range of nutrients necessary to support the growth of cells in culture.

• FCS

  Foetal Calf Serum (also known as FBS)

• FDA

  Food and Drug Administration, Washington, DC, USA

• FDC

  Forsyth Dental Center, Boston, USA

• Feeder Layer

  A layer of cells usually lethally irradiated or chemically treated to stop DNA synthesis, upon which are cultured a fastidious cell type.

• FGF

  Fibroblast Growth Factor

• FH

  Food Hygiene Laboratory, HPA Centre for Infections, London, UK

• Fibroblast Like

  Resembling or characteristic of, having the form or appearance of fibroblast cells.   In order to define a cell as a fibroblast cell, it must possess characteristics typical of fibroblast cells. For example, often fibroblast cells will appear pointed, elongated or stellate when viewed under the light microscope and grow in sheets wherein the cells are rather loosely in contact with one another. The cells may produce parallel arrays at confluence. In some types of fibroblast cells, the nuclear to cytoplasmic ratio will be relatively low when compared to epithelial cells.

• Finite Cell Lines

  Cell cultures that will only survive a certain number of population doublings before senescence. All normal cells are finite.