fascia
Fibrous connective tissue that acts like a sheet or wrapping to enclose and separate muscles, organs and other soft tissue structures of the body.
fibrosis
Formation of fibrous tissue that replaces the normal tissue. Examples are scars, which are made up of fibrous tissues.
fine needle aspiration
Drawing up a tiny sample of tissue from a lump with a needle and syringe to examine under a microscope and establish a diagnosis.
follicular
Normal feature of organs or tissues that resemble a cavity or opening.
fraction
Each single day's radiotherapy treatment.