Category: V

An alloy of chromium, molybdenum, and cobalt that is used in instruments, prostheses, surgical appliances, and dentures. A commercially trademarked alloy of cobalt and chromium used to make instruments, prostheses, surgical appliances and dentures. Its inert properties make it ideal for use in contact with live tissues such as bone and muscle.  

Any of the collections of nerve cells in the brain that act as governing centers for different vital body functions, such as breathing, heart rate, blood pressure, temperature control etc., making reflex adjustments according to the body’s needs. Most lie in the hypothalamus and brainstem. Any of the centers in the medulla concerned with respiration,…

A drug administered by mouth for the treatment of threadworm infestation. It has low toxicity but may cause nausea and vomiting. It stains the stools a red color.  

An antibiotic derived from Streptomyces bacteria. It is given by intramuscular injection in the treatment of tuberculosis, particularly against strains that are resistant to other antibiotics (such as streptomycin and isoniazid). Side-effects, including ear and kidney damage, may occur in some patients.  

A general anesthetic, used mainly for inducing anesthesia and for minor surgery under short anesthesia. Both induction and recovery are more rapid than with ether. It is not used alone for long operations because of the dangers of over-dosage and liver damage, but it is sometimes given in combination with nitrous oxide or ether..  

The eighth cranial nerve (VIII), responsible for carrying sensory impulses from the inner ear to the brain. It has two branches, the vestibular nerve and the cochlear nerve. The cochlear nerve carries impulses from the spiral cochlea and is therefore the nerve of hearing, while the vestibular nerve serves equilibrium, carrying impulses from the semicircular…

A device for obtaining accurate measurements of length, to 1/10th, 1/100th or smaller fractions of a unit. It consists of a fixed graduated main scale against which a shorter vernier scale slides. The vernier scale is graduated into divisions equal to nine-tenths of the smallest unit marked on the main scale. The vernier scale is…

The fine hair that occurs on the body before puberty is reached. The fine hair present on the body after the lanugo hair of the newborn is gone.  

A curved instrument used to assist the delivery of an infant. A curved lever for making traction on the presenting part of the fetus.  

A surgical incision into the vas deferens (the duct conveying sperm from the testis). This is usually undertaken to allow catheterization of the vas and the injection of radio-opaque contrast material for X-ray examination (vasography), to test for patency of the duct in patients with azoospermia. Cutting of the vas deferens.