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Presbycusis (also spelled presbyacusis, from Greek πρέσβυς presbys "old" + ἄκουσις akousis "hearing" [1]), or age-related hearing loss, is the cumulative effect of aging on hearing. It is a progressive and irreversible bilateral symmetrical age-related sensorineural hearing loss resulting from degeneration of the cochlea or ...
This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies. Most of them are combining forms in Neo-Latin and hence international scientific vocabulary. There are a few general rules about how they combine.
Meaning [1] Latin (or Neo-Latin) origin [1] a.c. before meals: ante cibum a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte every night Omne Nocte a.s., as, AS left ear auris sinistra a.u., au, AU both ears together or each ear aures unitas or auris uterque b.d.s, bds, BDS 2 times a day bis die sumendum b.i.d., bid, BID
Meaning h: hr / hours H: histamine or its receptors (if with subscripts) hemagglutinin: H x: history: HA ; H/A hypertonia arterialis headache calcium hydroxyapatite HAA: hepatitis-associated antigen or #History As Above HAART: highly active antiretroviral therapy HACA: human anti-chimeric antibody: HACE: High-altitude cerebral edema: HACEK
A page from Robert James's A Medicinal Dictionary; London, 1743-45 An illustration from Appleton's Medical Dictionary; edited by S. E. Jelliffe (1916). The earliest known glossaries of medical terms were discovered on Egyptian papyrus authored around 1600 B.C. [1] Other precursors to modern medical dictionaries include lists of terms compiled from the Hippocratic Corpus in the first century AD.
Estimated rates of bad breath vary from 6% to 50% of the population. [1] Concern about bad breath is the third most common reason people seek dental care, after tooth decay and gum disease. [2] [3] It is believed to become more common as people age. [1] Bad breath is viewed as a social taboo and those affected may be stigmatized.
coronary care unit critical care unit: CD: Celiac disease Crohn's disease chemical dependency cluster of differentiation controlled delivery: CDAD: Clostridioides difficile–associated diarrhoea: CDC: Centers for Disease Control and Prevention: CDH: congenital dislocated hip: CDI: central diabetes insipidus Clostridioides difficile infection
Meaning s̅: without (s with an overbar) (from Latin sine) S: sacrum: S x: symptoms surgery (though deemed by some as inappropriate) S 1: first heart sound: S 2: second heart sound: S 3: third heart sound S 4: fourth heart sound S&O: salpingo-oophorectomy Sb: Scholar batch SAAG: serum–ascites albumin gradient SAB: staphylococcal bacteremia