Angiostronylus
Gr. angeion = vessel, and strongylos = round Angiostrongylus is a genus of parasitic nematodes (roundworms) in the family Angiostrongylidae, 2 species of which are known to parasitize humans. A. cantonensis…
Anisopoikilocytosis
L. an = without, iso = equal, Gr. poikilos = varied , L. cyt = cell and -osis = condition Anisopoikilocytosis refers to a variance in size (anisocytosis) and shape (poikilocytosis) of a red blood…
Annulus
Gr. annus = ring, ulnus = a diminuitive suffix. Applied to many small, ring-like structures (e.g. Ligg. anulare of the hand)
Aorta
Gr. perhaps from aeirein = to lift up, or to be hung. The word was taken over into Latin as aorte, and first appeared as aorta in English in 1594.
Apical
L. apex = tip, top or pointed end. The genitive of apex is apicis, hence the adjective apical.
Aponeurosis
Gr. apo= from, and neuron = anything of fibrous nature. Previous to Aristotle the word neuron had this meaning, and in Athens a cobbler was a neurorrhaphos or one who sews with tendons. This offers…
Appendix
L. appendere = to hang upon, from ad = to, and pendere = to hang. Used since the early seventeent century to mean a small process developed from the surface of an organ.