exists and is an alternate of . The four types of membranes are: 1) cutaneous membranes; 2) serous membranes; 3) mucous membranes; and 4) synovial membranes. Mucous membranes are tissues that line body cavities or canals such as the throat, nose, mouth, urethra, rectum, and vagina.
A laryngeal mask. A laryngeal mask airway â also known as laryngeal mask and supraglottic airway â is a medical device that keeps a patient's airway open during anaesthesia or unconsciousness.
The following are some of the types of anesthesia: 1  General anesthesia: This is used to make sure you are completely asleep during surgery. 2  Spinal or epidural anesthesia: This is used to numb you from your abdomen to your feet. 3  Interscalene block: This is used to numb your shoulder and arm during a surgery or procedure.