ROI

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ROI

Abbreviation for:
range of interest
reactive oxygen intermediate
return on investment
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

region

(re'jon) [L. regio, boundary]
A portion of the body with natural or arbitrary boundaries. Synonym: regioregional (-al), adjective
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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

Hypochondrium.

hypogastric region

Hypogastrium.

iliac region

The inguinal region on either side of the hypogastrium.

inguinal region

Groin.

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
Medical Dictionary, © 2009 Farlex and Partners
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