Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «S»:
Strollerobics: Aerobics with a stroller. Strollerobics are exercises characteristically performed by new mothers, incorporating strollers that contain their new babies. Stollerobics were invented in the mid-1990s in California....
Stroma: The supportive framework of an organ (or gland or other structure), usually composed of connective tissue. The stroma is distinct from the parenchyma, which consists of the key functional elements of that organ. The stroma of the thyroid gland is the connective tissue that supports the lobul...
Stromal: Pertaining to the stroma of an organ. See: Stroma....
Strontium: An earth element and metal with atomic no. 38, atomic wt. 87.62 that is used in a radioactive form for imaging tests and as a treatment for cancer. First detected in lead mines near Strontian, Scotland, strontium is present in water and food and, in trace amounts, the human skeleton....
Strontium ranelate: An agent consisting of two atoms of stable strontium and ranelic acid. Strontium ranelate stimulates the formation of new bone tissue and decreases bone resorption (loss). It reduces the risk of vertebral fractures in postmenopausal osteoporosis....
Structural genomics: The study of the proteome, the three-dimensional structures of thousands upon thousands of proteins, in fact, all of the proteins produced by a species.
In the Human Genome Project, the sequence of all the DNA in our genome was largely deciphered. Structural genomics aims to ach...
Structural scoliosis: A fixed lateral (sideway) curve of the spine.
Structural scoliosis often occurs from unknown factors without reference to other physical problems (idiopathic scoliosis). It tends to affect girls during adolescence.
Structural scoliosis can also be part of a syndrome or disease....
STS: Commonly used abbreviation for "sequence tagged site." A short (200 to 500 base
pair) DNA sequence that occurs but once in the genome and whose location and base
sequence are known.
STSs are detectable by polymerase chain reaction (PCR), are useful for
localizing and orienting the mapping and s...
Study population: The group of individuals in a study. In a clinical trial, the participants make up the study population. The study population might, for example, consist of all children under 2 years of age in a community....
Study, antro-duodenal motility
Study, antro-duodenal motility: An antro-duodenal motility
study is a study for detecting and recording the contractions of the
muscles of the stomach and the first part of the small intestine, the
duodenum. It is performed to diagnose problems with how the muscles
of the stomach and small inte...
Study, cross-sectional: A study done at one time, not over the course
of time. A cross-sectional study a disease such as AIDS might be designed to learn its
prevalence and distribution within the population at one point in time. Also known as a
Study, crossover: A type of clinical trial in which the study subjects
receive each treatment in a random order. In this type of study, every patient serves as
his or her own control....
Study, diachronic: See: Study, longitudinal....
Study, electrophysiologic: See: Electrophysiologic study of the heart....
Study, Framingham: See: Framingham Study....