anteroposterior projection

См. также в других словарях:

• projection — 1. A pushing out; an outgrowth or protuberance. 2. The referring of a sensation to the object producing it. 3. A defense mechanism by which a repressed complex in the individual is denied and conceived as belonging to another person, as when… …   Medical dictionary

• anteroposterior — 1. Relating to both front and rear. 2. In x ray imaging, describing the direction of the beam through the patient (projection) from anterior to posterior, e.g., an A P projection of the abdomen; or the direction of view (A P …   Medical dictionary

• anteroposterior (AP) projection — a radiographic projection in which the central ray goes from the front to the back of the body or part, with the film at the back …   Medical dictionary

• brow-up projection — an anteroposterior projection of the head with the patient supine …   Medical dictionary

• frog-leg projection — an anteroposterior projection of the abducted hips …   Medical dictionary

• mortise projection — an anteroposterior projection of the ankle with the foot rotated internally 15 to 20 degrees so that the bases of the tibia and fibula are no longer in front of the talus …   Medical dictionary

• open-mouth projection — an anteroposterior projection of the cervical spine, particularly the axis and atlas, done through the open mouth with the patient supine and the central ray pointing vertically downward …   Medical dictionary

• Towne projection — a radiographic projection of the head in which the central ray enters obliquely through the frontal bone, yielding a view of facial structures and the occipital bone; it is an anteroposterior half axial projection …   Medical dictionary

• frontal projection — a radiographic projection in which the central ray is perpendicular to the frontal plane; it may be either anteroposterior or posteroanterior …   Medical dictionary

• half-axial projection — a radiographic projection of the head with the central ray at an angle to the frontal and medial planes; it may be either anteroposterior or posteroanterior. Called also semiaxial p …   Medical dictionary

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium