The term 'scope opening' refers to a medical procedure that involves the use of an endoscope, which is a long, thin tube with a camera and light at the end. The scope is inserted into the body to allow a doctor to view the inside of the body. The four crossword solutions PERI, ENDO, TELE, and MICRO refer to different types of scopes. PERI stands for peritoneal endoscopy, which is used to examine the abdominal cavity. ENDO stands for endoscopy, which is used to examine the digestive tract. TELE stands for telesurgery, which is used to perform surgery remotely. MICRO stands for microendoscopy, which is used to examine small areas of the body. HORO stands for horoscopy, which is used to examine the ear, nose, and throat. All of these types of scopes are used in scope openings to allow doctors to view the inside of the body.