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The iris ( pl.: irides or irises) is a thin, annular structure in the eye in most mammals and birds, responsible for controlling the diameter and size of the pupil, and thus the amount of light reaching the retina. In optical terms, the pupil is the eye's aperture, while the iris is the diaphragm. Eye color is defined by the iris.
every day before noon (from Latin quaque die ante meridiem ) q.d. every day (from Latin quaque die) q.d.s. four times each day (from Latin quater die sumendus ) q.h. each hour (from Latin quaque hora ) q.h.s. every bedtime (from Latin quaque hora somni )
The term for the area is derived from the Latin glaber, meaning 'smooth, hairless'. In medical science. The skin of the glabella may be used to measure skin turgor in suspected cases of dehydration by gently pinching and lifting it. When released, the glabella of a dehydrated patient tends to remain extended ("tented"), rather than returning to ...
Amaurosis fugax. The arteries of the choroid and iris. The greater part of the sclera has been removed. Amaurosis fugax ( Greek: ἀμαύρωσις, amaurosis meaning 'darkening', 'dark', or 'obscure', Latin: fugax meaning 'fleeting') is a painless temporary loss of vision in one or both eyes. [3]
MDMA is a moderately teratogenic drug (i.e., it is toxic to the fetus). [101] [102] In utero exposure to MDMA is associated with a neuro - and cardiotoxicity [102] and impaired motor functioning. Motor delays may be temporary during infancy or long-term.
Arteriovenous nicking. Arteriovenous nicking, also known as AV nicking, is the phenomenon where, on examination of the eye, a small artery ( arteriole) is seen crossing a small vein ( venule ), which results in the compression of the vein with bulging on either side of the crossing. This is most commonly seen in eye disease caused by high blood ...
A medical record includes a variety of types of "notes" entered over time by healthcare professionals, recording observations and administration of drugs and therapies, orders for the administration of drugs and therapies, test results, X-rays, reports, etc. The maintenance of complete and accurate medical records is a requirement of health ...
Ralph Nader. Ralph Nader ( / ˈneɪdər /; born February 27, 1934) [1] is an American political activist, author, lecturer, and attorney noted for his involvement in consumer protection, environmentalism, and government reform causes, and a perennial presidential candidate. He became famous in the 1960s and 1970s for his book Unsafe at Any ...