Ch. 20 Med term- Radiology & Nuclear Medicine

radiology

branch of medicine concerned with imaging

nuclear medicine

Uses radioactive materials either to image a patient's body or to destroy diseased cells

Radiolucent

a substance that allows x-rays to pass through and appears black or dark gray on the resulting film

Radiopaque

substance does not allow x-rays to pass through and appears white or light gray on the resulting film

computed tomography (CT)

a series of x-ray photographs taken from different angles and combined by computer into a composite representation of a slice through the body

contrast medium / contrast agent

radiopaque material injected to obtain contrast between tissues to distinguish one from another

sonogram

an image formed using reflected ultrasound waves

fluoroscopy

technique in which x-rays are directed through the body to a fluorescent screen that displays internal structures in continuous motion

MRI (magnetic resonance imaging)

a technique that uses magnetic fields and radio waves to produce computer-generated images of soft tissue. MRI scans show brain anatomy.

Sagital

divides body into left and right

Coronal

frontal

Axial

cross sectional view

oblique view

positioning of the patient so that the x-rays pass through the body on an angle

Inversion

turning inward

Eversion

turning outward

decubitus position

lying down, specifically according to the part of the body resting on a flat surface, as in left or right lateral decubitus, or dorsal or ventral decubitus

in vivo

in the body procedures

in vitro

within a glass, observable within a test tube

is/o

same

pharmaceut/o

drug

radi/o

x-rays

son/o

sound

vitr/o

glass

viv/o

life

-gram

to record

-graphy

process of recording

lucent

to shine

opaque

not letting light through, obscure

echo

a repeated sound

ultra-

beyond