Aneurysm
Gr. ana = across, eurys = broad. Describing a widening of vessels.
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…
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.
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…
Arachnoid
Gr. arachne = spider, and eidos = resemblance. From this root came the Latin term arachnoides = spider-like. Used to describe the coweb-like membrane covering the brain and spinal cord.