在日常生活中,我们经常可以看到,一些动物如猫、狗、鼠等小动物的四胶受伤后,本能地会不断用舌舔伤口,从而使伤口得以自愈,这是为什么呢?原来,这是动物的唾液中含有能愈合伤口的特殊物质。这一动物的本能现象使科学家们受到一些重要启发。早在1962年,美国的柯亨博士等人在小鼠颌腺中发现一种新的活性成分,可促使新生小鼠开睑、长牙。随后,他们将这一活性成分加入培养的皮肤表皮 In daily life, we can often see that some animals such as cats, dogs, rats and other small animals are injured in the fourth glue, instinctively will continue to use tongues and wounds, so that the wound can be self-healing, which is why? This is the animal’s saliva containing special substances that can heal wounds. This animal’s instinct has given scientists some important inspiration. As early as 1962, Dr. Cohen and others in the United States found a new active ingredient in the mouse jaw glands that could promote neonatal mice to open their mouths and teeth. Later, they added this active ingredient to the cultured skin epidermis