Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «S»:
Short-term memory: A system for temporarily storing and managing information required to carry out complex cognitive tasks such as learning, reasoning, and comprehension. Short-term memory is involved in the selection, initiation, and termination of information-processing functions such as encoding...
Shortness of breath
Shortness of breath: Difficulty in breathing. Medically referred to as
dyspnea. Shortness of breath can be caused by respiratory (breathing passages
and lungs) or circulatory (heart and blood vessels) conditions. See also
Shot, flu: The flu (influenza) vaccine is
recommended annually (each year) for persons at high risk for serious complications from influenza virus infection.
Everyone age 65 or more;
People with chronic diseases of the heart;
People with chronic diseases of the lung;
People with c...
Shotgun sequencing: An approach used to decode a genome by shredding ("shotgunning") it into smaller fragments of DNA which can then be individually sequenced. The sequences of these fragments are then ordered, based on overlaps in the genetic code, and finally reassembled into the complete sequence...
Shots, allergy: Known medically as
allergy desensitization or allergy immunotherapy, the injections are designed to stimulate
the immune system with gradually increasing doses of the substances to which a person is
allergic, the aim being to modify or stop the allergy "war" (by reducing i...
Shotty: Resembling shot or pellets of lead, shotgun pellets
and, hence, hard and round. The term "shotty" was in use in the 19th
century. It is now generally obsolete but it is still in medicinal
Shotty is very commonly used in describing the feel of lymph nodes
(the lymph glands) when ...
Shoulder: A structure made up of two main bones: the scapula (shoulder blade) and the humerus (the long bone of the upper arm). The end of the scapula, called the glenoid, is a socket into which the head of the humerus fits, forming a flexible ball-and-socket joint. The scapula is an unusually shape...
Shoulder blade: The familiar flat triangular bone at the back of the shoulder. Known familiarly as the wingbone or, medically, as the scapula.
The word "scapula" (with the accent on the first syllable) is Latin. The Romans always employed the plural "scapulae", the shoulder blades. Because the shou...
Shoulder bursitis: Inflammation of one or both of
the two major bursae (fluid-filled sacs) in the shoulder. Treatment
typically includes rest, ice, and medications for inflammation and
pain. Bursitis from infection is treated with antibiotics,
aspiration, and possibly surgery....
Shoulder dislocation: See: Dislocated shoulder...
Shoulder dystocia: Halt to spontaneous delivery because the baby's shoulder is wedged behind the mother's pubis, due usually to the baby being too big to fit through the birth canal.
Dystocia means difficult delivery....
Shoulder joint: The flexible ball-and-socket joint formed
by the junction of the humerus and the scapula. This joint is
cushioned by cartilage that covers the face of the glenoid socket and
head of the humerus. The joint is stabilized by a ring of fibrous
cartilage (the labrum) around the gleno...
Shoulder pain: Pain in the shoulder due to an injury or disease. The design of the shoulder joint is such that it sacrifices stability for mobility. As an extremely mobile joint that plays a central role in the action of a major extremity (the arm), the shoulder is at high risk for injury. An injury...
Shoulder, frozen: See: Frozen shoulder....
Show: As a noun: 1. An appearance.
2. Short for bloody show....