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.
Anesthesia is a way to control pain during a surgery or procedure by using medicine called anesthetics. It can help control your breathing, blood pressure, blood flow, and heart rate and rhythm. Anesthesia may be used to: 1  Relax you.2  Block pain.3  Make you sleepy or forgetful.ut all anesthesia has some risk. For example: 1  After general anesthesia heart problems, pneumonia, sore throat, or vomiting can occur. 2  With high doses of local anesthesia, the anesthetic can go into the rest of the body and affect your brain or heart. 3  After spinal anesthesia some people get headaches.