Trigger finger is caused by inflammation of the synovium, enlargement of the tendon, and thickening or narrowing of the sheath itself, usually in the area of the palm closest to the fingers. The name of the tendon sheath in this area is the âA1 pulleyâ.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  isotonic(Adjective) having the same osmotic pressure. 2  isotonic(Adjective) Having the same concentration of solutes as human blood. Use an isotonic saline solution in your neti pot to prevent irritation of your nasal passages. 3  isotonic(Adjective) having equal tension.
Definition of isotonic in the Definitions.net dictionary. Meaning of isotonic. What does isotonic mean? Information and translations of isotonic in the most comprehensive dictionary definitions resource on the web.