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.
The end result can be tears or breaks in the ligaments. Depending on how severe a wrist sprain is, it can take anywhere from two weeks to three months to heal. Minor sprains will heal quicker than more severe sprains.If the wrist sprain consists of snapped ligaments, a person will likely need surgery to repair it and healing time will be longer.he end result can be tears or breaks in the ligaments. Depending on how severe a wrist sprain is, it can take anywhere from two weeks to three months to heal. Minor sprains will heal quicker than more severe sprains.