Intercalated discs Definition. These are transverse bands that separate the adjacent ends in cardiac muscle fibers. Normally these structures appear as stained irregular lines at 90 degrees to the striped sarcomeric pattern.ntercalated discs Location. As mentioned earlier, these discs connect the individual heart cells called cardiomyocytes to form the atrial syncitium. In fact, both intercalated discs and pacemaker cells are characteristic of cardiac muscle tissues.
There are 3 levels (grades) of sprains. Grade 1 sprain: minor sprain; 1-4 weeks to heal. Grade 2 sprain: medium to significant sprain. Swelling, bruising and pain included. Micro-fracture included as well ; 4-8 weeks to heal. Grade 3 sprain: Usually a gales tired or broken bone or torn ligament. Associated with severe swelling and bleeding and inability to move limb; 8-12 weeks or more depending on severity.
Home Treatment. Ankle sprains take an average of 6 weeks to heal but can take can up to 4 months, depending on the severity. An ankle brace, air stirrup, hiking boots, or other form of ankle support should be worn during this time to protect the ligaments.