The story
Probably from al(pha) + -teplase (“tissue-type plasminogen activator”).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A form of the enzyme plasminogen activator (trademark Activase) produced by genetic engineering and used to dissolve blood clots in thromboembolic disorders such as myocardial infarction, deep venous thrombosis, and pulmonary embolism. Full definition →
Probably from al(pha) + -teplase (“tissue-type plasminogen activator”).
Etymology from Wiktionary, CC BY-SA 4.0.