Ampulla
L. ampulla = a jug. Perhaps an onomatopoetic word, whose sound suggests the object; in this case fluid flowing from the jug.
Anaesthesia
Gr. "an" = without, and "aisthesis" = feeling. “Gentleman, this is no humbug.” - John Collins Warren, American Surgeon A pivotal moment in the history of anesthesia occurred on October…
Anaphylaxis
Gr. ana = "excessive", phylaxis = “protection”. Used to describe the excessive immunological reaction of the body to an antigen. source
Anaplasma phagocytophilum
Gr. an- = without, and plasma = shape, phagocyte + L. phile = loving. A species of tickborne bacteria that causes human granulocytic anaplasmosis, Anaplasma phagocytophilum (named for its affinity for growing…
Anastomosis
Gr. ana = up, stoma = mouth. Used to describe the connection of two canals (e.g. blood vessels).
Aneurysm
Gr. ana = across, eurys = broad. Describing a widening of vessels.