Anotia is absence of the external ear.
Aplasia is the medical term meaning absence of development.
Asplenia is the medical term meaning absence of the spleen.
Anhydrosis or anhidrosis, either spelling, is the medical term meaning an abnormal condition of an absence of sweat or perspiration.
Athelia is the medical term meaning absence of nipples.
Aphakia is the medical term meaning absence of the lens. This is often a result of cataract surgery.
Aplasia is the medical term meaning absence of development.
Athelia means absence of a nipple.
arrhythmia
anhydrous
Anencephaly.
Anoxia is the medical term meaning absence of oxygen. an/ox/ia without/oxygen/condition of
Aseptic necrosis is the medical term meaning tissue death without infection.