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The combining form ur/o means “urine” or “urea.” In the term uremia, ur/o means “urea.”This term means “blood condition” (-emia) with “urea” (ur-).Urea is a waste product in blood that builds up when the kidneys are not functioning properly (Betts et al., 2013).
Second, medical roots generally go together according to language, i.e., Greek prefixes occur with Greek suffixes and Latin prefixes with Latin suffixes. Although international scientific vocabulary is not stringent about segregating combining forms of different languages, it is advisable when coining new words not to mix different lingual roots.
AffixMeaningOrigin Language And EtymologyExample (s)a-, an-not, without (alpha privative)Greek ἀ-/ἀν- (a-/an-), not, withoutanalgesic, apathy, anencephalyab-from; away fromLatinabduction, abdomenabdomin-of or relating to the abdomenLatin abdōmen, abdomen, fat around the ...abdomen, abdominal-acpertaining to; one afflicted withGreek -ακός (-akós)cardiac, celiac- Combining Forms
- Prefixes
- Suffixes
- Structural Terms Built from Word Parts
angi/o: vessel, blood vessel aort/o: aorta arteri/o: artery ather/o: fatty plaque cyt/o: cell hemat/o: blood hem/o: blood isch/o: deficiency, blockage lymph/o: lymph, lymph tissue lymphaden/o: lymph node, lymph tissue myel/o: bone marrow, spinal cord phleb/o: vein plasm/o: plasma therm/o: heat thromb/o: clot thym/o: thymus gland splen/o: spleen ven...
a-: absence of, without endo-: within, in epi-: on, upon, over hypo-: below, deficient hyper-: above, excessive inter-: between pan-: all, total peri-: surrounding, around poly-: many, much
-ac: pertaining to (adjective) -apheresis: removal (noun) -ar: pertaining to (adjective) -centesis: surgical puncture to aspirate fluid (noun) -ectomy: excision, surgical removal (noun) -emia: in the blood (noun) -genic: producing, originating, causing (adjective) -gram: record, radiographic image (noun) -graph: instrument used to record (noun) -gr...
arterial: pertaining to the arteries intravenous: pertaining to within the veins venous: pertaining to the veins
Blood is a connective tissue made up of cellular elements and an extracellular matrix. The cellular elements are referred to as the formed elements and include red blood cells (RBCs), white blood cells (WBCs), and platelets. The extracellular matrix, called plasma, makes blood unique among connective tissues because it is fluid. This fluid ...
Glossary of Medical Terms List of Combining Forms, Prefixes and Suffixes angi/o, angi-, angio- lymph vessels or blood vessels angin/o choking anis/o unequal an/o anus, ring ankyl/o crooked, bent, stiff anomal/o irregularity ante- before, forward anter/o front anthrac/o coal dust anti- against, counter anxi/o, anxiet/o uneasy, anxious ...
Nearly all medical terms contain at least one root. A vowel (usually the letter “o”) may be added to the root to aid in pronunciation. Together, the root and vowel are called the combining form. Suffix: The suffix appears at the end of a term and may indicate a specialty, test, procedure, function, disorder, or status. Otherwise, it may ...
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Following rule 3, notice that when combining the combining form ven/o (meaning vein) with the suffix -ous ( that starts with a vowel and means pertaining to) we drop the combining form vowel o. Following rule 4, the prefix intra- (meaning within) is at the beginning of the medical term with no combining form vowel used.
