Abrasion
Injury to the integrity of the skin resulting in skin loss
Abscess
Pus forming pocket
Acapnia
Low level of carbon dioxide in the blood
Acne
Inflammation of the skin related to glands and hair
Adenoiditis
Inflammation of the adenoids
Amenorrhea
No menstrual discharge
Alopecia
Bald condition
Anorchism
Absence of testis
Anoxia
Deficiency of oxygen
Anterior
Frontal position
Anteroposterior
Frontal to back positioning
Anuria
No urine production
Aphonia
No voice
Apnea
Not breathing
Atelectasis
Abnormal expansion of a lung
Chronic Atelectasis is the most common type.
Azoturia
Elevated and excessive level of nitrogen substrates and urea in the urine