troponin. small proteins attached along the length of the tropomyosin chains; when calcium present in sarcoplasm, it binds to this, causing it to change shape and drag tropomyosin chain off active sites of G actin allowing myosin heads to bind to active sites on G actin, shortening sarcomere. î î î.
Meera. Mirabai (1498-1547) (also spelled Meera) was a female Hindu mystical poet whose compositions are popular throughout India. She was a 16th-century Indian princess who devoted her life to the god Krishna. The name 'Meera' is of Israeli and Hindu origin, and its meaning is light; saintly woman.
Chambers 20th Century Dictionary(0.00 / 0 votes)Rate this definition: Ephemera. ef-emâ²er-a, n. the Mayfly, a genus of short-lived insects: that which lasts a short time.âadj. Ephemâ²eral, existing only for a day: daily: short-lived.ân. anything lasting a short time.âns.