|
fasciculation |
twitching of
the muscles that is seen in diseases of the peripheral nervous system
|
|
fibrillation |
uncontrolled
rapid contraction of the fibers in the heart that occurs in the atrial,
or upper, chambers (atrial fibrillation) and in the ventricular, or
lower, chambers (ventricular fibrillation) |
|
fibrosis |
formation of
fibrous (scar) tissue after an injury |
fine needle aspirate
(FNA) |
insertion of
small gauge needle into an area of abnormality with an attempt to suck
out small amounts of tumor for review by a pathologist |
first metatarsal
phalangeal joint
(1st MTJ) |
where the big
toe connects to the foot; common site for the development of
osteoarthritis |
|
fissure |
linear split
or crack, usually in areas of chronic inflammation and skin thickening
such as calluses on hands and feet |
|
flexible sigmoidoscopy |
insertion of
a small-sized tube into the rectum to visualize the rectum and a portion
of the colon |
|
follicle (hair follicle) |
tiny tubular
structure in the skin, contiguous with the top skin layer, or epidermis,
that includes the canal, the hair shaft, the sebaceous (oil) gland, and
the muscle anchored to the follicle's side wall |
|
folliculitis |
inflammation
with or without infection of the hair follicle |
|
fovea |
small,
shallow depression in the center of the macula that provides the
sharpest vision and contains the highest concentration of cone cells |
|
fungus (p., fungi) |
member of a
group of simple plantlike organisms that do not have leaves or flowers
and that live off organic matter such as hair, skin, and nail cells of
humans, animals, and plants |
|
furuncle |
deep
inflammation and infection of the hair follicle |
|
[Back to top] |