abbreviation 1. private PTE 1. Portugal-escudo (currency) 2. pulmonary thromboembolism 3. pulmonary thromboendarterectomy
PTEA pulmonary thromboendarterectomy
1. variant of ptero- before a vowel: pteranodon. 1. a combining form meaning “one with wings” of the kind specified: hymenopter.
noun 1. a flying reptile of the extinct order Pterosauria, from the Cretaceous Period, having a wingspread of about 25 feet (8 meters). pteranodon (tə-rān’ə-dŏn’) Any of several very large, extinct flying reptiles (pterosaurs) of the genus Pteranodon of the Cretaceous Period. Pteranodon had a long pointed crest on its head, no teeth, a very […]
pteridine (těr’ĭ-dēn’) Any of a group of organic compounds having two fused six-member rings each containing two nitrogen atoms and four carbon atoms. One of the rings is a pyrimidine, the other a pyrazine. Pteridines include folic acid and the pigments of butterfly wings.