Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «S»:
Sickness, mountain: Also known as altitude sickness or altitude illness, this is a disorder caused by being at high altitude, commonly above 8,000 feet (2,440 meters).
The cause of altitude illness is a matter of oxygen physiology. At sea level the concentration of oxygen is about 21% and the baro...
Siddha medicine: An ancient system of medicine prevalent in South India. The word Siddha comes from the Tamil word for perfection. Those who attained an intellectual level of perfection were called Siddhas. Siddha medicine aims at the immortality of the body and soul. Siddha has drugs that supposedl...
SIDDT: Sudden infant death with dysgenesis of testes.
SIDDT was first identified in an Old Order Amish community in Pennsylvania. Over two generations, nine families from this community had lost 21 infants to sudden death. All infants with SIDDT died before 12 months of age of abrupt cardiac and re...
Side effects: Problems that occur when treatment
goes beyond the desired effect. Or problems that occur in addition to
the desired therapeutic effect.
Example -- A hemorrhage from the use of too much anticoagulant
(such as heparin) is a side effect caused by treatment going beyond
the desired ef...
Sideropenic dysphagia: See: Plummer-Vinson syndrome....
Sidney Goldring: See: Goldring, Sidney....
SIDS (sudden infant death syndrome)
SIDS (sudden infant death syndrome): The sudden and
unexpected death of a baby with no known illness, typically affecting
sleeping infants between the ages of two weeks to six months. Infants
with a brother or sister who died of SIDS; babies whose mothers used
heroin, methadone, or cocaine durin...
SIDS with dysgenesis of testes
SIDS with dysgenesis of testes: Abbreviated SIDDT. For more, see: SIDDT....
Sight, day: Night blindness.
Listed in medical dictionaries under "Nyctalopia" from the
Greek "nyct' (night) + "aloas" (obscure or blind) + "opsis"
(vision), the condition involves impaired vision in dim
light and in the dark (but normal sight in bright light),
due to impaired function of sp...
Sigma Theta Tau
Sigma Theta Tau: The international honor society for nursing. Membership is by invitation to baccalaureate and graduate nursing students, who demonstrate excellence in scholarship, and to community leaders exhibiting exceptional achievements in nursing.
More than a quarter million nurse scholars ha...
Sigmodon hispidus: See: Cotton rat....
Sigmoid: In human anatomy, the lower colon (the lower portion of the large bowel). "Sigmoid" is short for "sigmoid colon."
The word "sigmoid" came from the Greek letter "sigma" which is shaped like a C. It also means curved in two directions like the letter S. A sigmoid curve is an S-shaped curve....
Sigmoid volvulus: See: Volvulus....
Sigmoidoscope: A thin lighted instrument used to view the inside of the rectum and lower colon....
Sigmoidoscopy: Inspection of the rectum and lower colon using a thin lighted tube called a sigmoidoscope. Samples of tissue or cells may be collected for examination under a microscope. Also called proctosigmoidoscopy....