Polychromasia

Polychromasia (noun): affinity for both acidic and basic stains

Trigone

Trigone (noun): an area of the urinary bladder

Atelectasis

Atelectasis (noun): incomplete expansion of the lungs at birth, or abnormal collapse of the lungs

Microcytosis

Microcytosis (noun): a decrease in the size of red blood cells

Erythema

Erythema (noun): abnormal redness of the skin

Thrombocytopenia

Thrombocytopenia (noun): an abnormal decrease in the number of platelets

Purpura

Purpura (noun): a disease characterized by reddish or brownish spots on the skin, caused by extravasation of blood