- 行业: Library & information science
- Number of terms: 152252
- Number of blossaries: 0
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The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, is the world's largest medical library. The Library collects materials and provides information and research services in all areas of biomedicine and health care.
1) Degenerative diseases of the brain.
2) A disease of the brain; especially: one involving alterations of brain structure.
Industry:Medical
A muscle serving to extend a bodily part (as a limb) -- called also extensor muscle.
Industry:Medical
One of the catecholamine neurotransmitters in the brain; it is derived from tyrosine and is the precursor to norepinephrine and epinephrine; dopamine is a major transmitter in the extrapyramidal system of the brain, and important in regulating movement; dopamine receptors mediate its action.
Industry:Medical
Benign hypertrophy that projects outward from the surface of bone, often containing a cartilaginous component.
Industry:Medical
1) A vertebrate at any stage of development prior to birth or hatching.
2) An animal in the early stages of growth and differentiation that are characterized by cleavage, the laying down of fundamental tissues, and the formation of primitive organs and organ systems; especially: the developing human individual from the time of implantation to the end of the eighth week after conception.
3) Having to do with an embryo, which is an early stage in the development of a plant or animal.
Industry:Medical
Situated outside of and especially involving descending nerve tracts other than the pyramidal tracts.
Industry:Medical
Syndrome dominated by involuntary, sustained or spasmodic, patterned, and repetitive muscle contractions; frequently causing twisting, flexing or extending, and squeezing movements or abnormal postures.
Industry:Medical
1) The muscular membranous segment between the pharynx and the stomach in the upper gastrointestinal tract.
2) A muscular tube that in adult humans is about nine inches (23 centimeters) long and passes from the pharynx down the neck between the trachea and the spinal column and behind the left bronchus where it pierces the diaphragm slightly to the left of the middle line and joins the cardiac end of the stomach.
3) The muscular tube through which food passes from the throat to the stomach.
Industry:Medical
1) Abnormal protrusion of both eyes; may be caused by endocrine gland malfunction, malignancy, injury, or paralysis of the extrinsic muscles of the eye.
2) Protrusion of one or both eyeballs; can be congenital and familial, or due to pathology, such as a retroorbital tumor (usually unilateral) or thyroid disease (usually bilateral. )
Industry:Medical
Having to do with the endometrium (the layer of tissue that lines the uterus. )
Industry:Medical
