ROI
Abbreviation for:
range of interest
reactive oxygen intermediate
return on investment
region
(re’jon) [L.regio, boundary]
A portion of the body with natural or arbitrary boundaries. Synonym: regioregional (-al), adjective
)
ABDOMINAL REGIONS
abdominal regions
The abdomen and its external surface, divided into nine regions by four imaginary planes: two horizontal, one at the level of the ninth costal cartilage (or the lowest point of the costal arch) and the other at the level of the highest point of the iliac crest; two vertical, through the centers of the inguinal ligaments (or through the nipples or through the centers of the clavicles) or curved and coinciding with the lateral borders of the two abdominal rectus muscles.
See:illustration
chest region
Any of the three areas of the chest: anterior, posterior, and lateral. The anterior divisions (right and left) are the clavicular, infraclavicular, and supraclavicular, the mammary and inframammary, and the upper and lower sternal. The posterior divisions (right and left) are the scapular, infrascapular, interscapular, and suprascapular. The lateral divisions are the axillary and infra-axillary.
hypochondriac region
hypogastric region
iliac region
The inguinal region on either side of the hypogastrium.
inguinal region
lumbar region
That area of the abdominal surface lateral to the umbilical region, above the iliac region, and below the hypochondriac region.
region of interest
Abbreviation:ROI
In radiology, the object of a study or a treatment designed to affect a limited part of the body.
parasternal region
The area between the sternal border and parasternal line.
sternomastoid region
The wide area on the lateral region of the neck covered by sternocleidomastoid muscle.
region of interest
Abbreviation:ROI
In radiology, the object of a study or a treatment designed to affect a limited part of the body.
See also: region