1. Chromic Gut Absorbable sterile surgical sutures are composed of purified connective tissue (mostly collagen) derived from the serosal layer of beef (bovine) intestines

2. Surgical Gut Suture (Plain and Chromic) An absorbable, sterile surgical suture composed of purified connective tissue (mostly collagen) derived from either the serosal layer of beef (bovine) or the submucosal fibrous layer of sheep (ovine) intestines.

3. Cretin Congenital hypothyroidism Endocrinology A person with defective thyroxine or thyroglobulin synthesis Etiology Goiter, iodine deficiency in the mother while pregnant; thyroid gland defects–aplasia, hypoplasia or dysgenesis Clinical Cold intolerance, serosal effusions, myxedema, ↓ metabolic rate, ↑ cholesterol, profound mental retardation–hypothyroid idiocy, ↓ growth.

4. Chromic gut sutures are absorbable sterile surgical sutures composed of purified connective tissue (mostly collagen) derived from the serosal layer of beef (bovine) intestines They are packaged in a solution of 89% isopropanol, 10% water, and 1% triethanolmine Treated with Chromic salt solution and sterilized by gamma irradiation