DiGeorge syndrome

noun

Di·​George syndrome də-ˈjȯrj- 

variants also DiGeorge's syndrome

-ˈjȯr-jəz 

: a rare congenital disease that is characterized especially by absent or underdeveloped thymus and parathyroid glands, heart defects, immunodeficiency, hypocalcemia, and characteristic facial features (as wide-set eyes, small jaws, and low-set ears) and is typically caused by a deletion on the chromosome numbered 22