Cancer dictionary of words, acronyms, abbreviations, & medical terms.
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selected terms: 27 page 1 of 2
specific immune cell
An immune cell such as a T or B lymphocyte that responds to a single, specific antigen
specificity
When referring to a medical test, specificity refers to the percentage of people who test negative for a specific disease among a group of people who do not have the disease. No test is More…
specimen
A bit of tissue or blood or urine that is taken for diagnostic purposes
SPECT
Single-photon emission computed tomography. A special type of computed tomography (CT) scan in which a small amount of a radioactive drug is injected into a vein and a scanner is used to More…
speculum
(SPEK-yoo-lum) An instrument used to widen an opening of the body to make it easier to look inside
speech pathologist
(pa-THOL-o-jist) A specialist who evaluates and treats people with communication and swallowing problems. Also called a speech therapist
speech therapist
A specialist who evaluates and treats people with communication and swallowing problems. Also called a speech pathologist. aka: language therapist
sperm
The male reproductive cell, formed in the testicle. A sperm unites with an egg to form an embryo
sperm banking
Freezing sperm for use in the future. This procedure can allow men to father children after loss of fertility
sperm retrieval
The doctor removes sperm from a man's testis or epididymis using a fine needle or another instrument
spermatic cord
Blood vessels and ducts from the testicles to prostate, seminal vesicles.
SPF
Sun protection factor. A scale for rating the level of sunburn protection in sunscreen products. The higher the SPF, the more sunburn protection it provides. Sunscreens with an SPF value of More…
SPF
s-phase fraction
sphincter
A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body. Examples are the anal sphincter (around the opening of the anus) and the pyloric sphincter More…
spiculated mass
(SPIK-you-lay-ted...) A lump of tissue with spikes or points on the surface
spinal cord
A column of nerve tissue that runs from the base of the skull down the back. It is surrounded by three protective membranes, and is enclosed within the vertebrae (back bones). The spinal More…
spinal tap
A procedure in which a needle is put into the lower part of the spinal column to collect cerebrospinal fluid or to give drugs. Also called a lumbar puncture
spindle
Human cell that is rod-like or pin-shaped with a taper at one end or both ends.
spindle cell
When describing cancer cells, this denotes cells that are spindle shaped.
spindle cell cancer
Cancer that arises in cells that appear spindle-shaped when viewed under a microscope. These cancers can occur in various places in the body, including the skin, lungs, kidney, breast, More…
RCA Rare Cancer Dictionary
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