X-ray, pa

An X-ray picture in which the beams pass from back-to-front (posteroanterior). By contrast an ap (anteroposterior) film is one in which the rays pass through the body from front-to-back.

(12 Dec 1998)


Terms mentioned in text: x-ray, picture, beams, pass, back, front, posteroanterior, contrast, ap, anteroposterior, film, pass, through, body
Previous terms: x-ray intensifying screens, x-ray, lateral, x-ray microanalysis, x-ray microscope
Next terms: x-rays, x-ray therapy, x-strabismus, xtp, x wave, xx male, xxx female