1 Do not attempt to dump dry ice in a sink or toilet. 2  The extreme cold will harm sink and toilet parts and pipes. 3  Do not dispose of dry ice in garbage receptacles or garbage chutes. 4  Do not leave dry ice in an unventilated room to evaporate. It will release a build-up of carbon dioxide into the air that can cause rapid suffocation. 2  Do not place dry ice on a tile or laminated countertop. 3  Instead, use a solid surface-a wood cutting board or piece of plywood is best.
amelogenesis imperfecta hypomaturation type 2A1. amelogenesis imperfecta hypomaturation type 2A1. An autosomal recessive defect of enamel formation (OMIM:204700), which affects the primary and secondary dentition. The teeth have a shiny, agar-like appearance, and the enamel is softer than normal. Brown pigment is present in middle layers of enamel. Molecular pathology.
From Wikipedia: Hereditary equine regional dermal asthenia (HERDA) aka hyperelastosis cutis (HC) is an inherited autosomal recessive connective tissue disorder. It develops from a homozygous recessive mutation that weakens collagen fibers that allow the skin of the animal to stay connected to the rest of the animal.