iliac region

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a plane with more or less definite boundaries; called also regio. adj., adj re´gional.
abdominal r's the areas into which the anterior surface of the abdomen is divided, including the epigastric, hypochondriac (right and left), iliac (right and left), lumbar (right and left), hypogastric, and umbilical.
Nine abdominopelvic regions. From Applegate, 2000.
See illustration.
AN region the area of the heart where the atrial fibers merge with the atrioventricular node.
anal region the part of the perineal region that surrounds the anus.
axillary region the area of the upper chest surrounding the axilla, lateral to the pectoral region.
epigastric region the abdominal region that is superior and central in location, above the umbilical region and between the two hypochondriac regions.
facial region that comprising the various anatomical regions of the face, divided into buccal (side of oral cavity), infraorbital (below eye), mental (chin), nasal (nose), oral (lips), orbital (eye), parotid (angle of jaw), and zygomatic (cheek bone) regions.
H region the area of the bundle of His from its connection with the atrioventricular node to its branching portion.
homology r's looped structures, comprising approximately 100 amino acid residues and fastened by disulfide bonds, that show similarities in primary structure from one region to another. They represent the building blocks or units of immunoglobulin molecules.
hypochondriac region either of the abdominal regions that are in superior lateral locations, one on the left (left hypochondriac region) and one on the right (right hypochondriac region) of the epigastric region; called also hypochondrium.
hypogastric region suprapubic region.
I region that part of the major histocompatibility complex where immune response genes are present.
iliac region inguen.
inframammary region the part of the pectoral region inferior to the breast, bordered inferiorly by the hypochondriac region of the abdomen.
inguinal region inguen.
lateral region either of the abdominal regions that are in central lateral locations, one to the left (left lateral region) and one to the right (right lateral region) of the umbilical region; called also flank and lumbar region.
lateral pectoral region the most lateral part of the pectoral region, bounded laterally by the axillary region.
lumbar region
1. the region of the back lying lateral to the lumbar vertebrae. See also loin.
mammary region the part of the pectoral region surrounding the mammary gland.
N region [nodal region] the region of the atrioventricular node consisting of the body of the node.
NH region [nodal-His region] the area where the atrioventricular node becomes the bundle of His.
pectoral region the aspect of the chest overlying the pectoralis major muscle, subdivided into the lateral pectoral, mammary, and inframammary regions.
pelvic region suprapubic region.
perineal region the region underlying the pelvic outlet, subdivided into the anal and urogenital regions.
precordial region the part of the anterior surface of the body covering the heart and the pit of the stomach.
presternal region the region of the thorax overlying the sternum, bounded laterally by the pectoral regions.
pubic region suprapubic region.
suprapubic region the abdominal region that is inferior and central in location, below the umbilical region and between the two iliac(inguinal) regions; called also hypogastric or pelvic region.
umbilical region the abdominal region that is most central in location, surrounding the umbilicus; it is bounded laterally by the two lateral or lumbar regions, superiorly by the epigastric region, and inferiorly by the suprapubic or hypogastric region.
urogenital region the part of the perineal region that surrounds the external genital organs and the urethral orifice,
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


(groyn), [TA]
1. Topographic area of the inferior abdomen related to the inguinal canal, lateral to the pubic region. Synonym(s): inguen [TA], inguinal region ☆ , regio inguinalis ☆ , iliac region
2. Sometimes used to indicate only the crease in the junction of the thigh with the trunk.
Farlex Partner Medical Dictionary © Farlex 2012

iliac region

The inguinal region on either side of the hypogastrium.
See also: region
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The in vivo probing with the FN system showed a highly fluorescent lymphatic flow in the internal iliac region after direct injection of indocyanine green (ICG); B: Pattern diagram of lymphatic vessels visualized by the FN system; C: The highly fluorescent region was not evident in a fluorescence image taken after LN dissection; D: Naked-eye examination confirmed that there were no residual LNs; E: LNs stained with ICG were not evident to the naked eye; F: In ex vivo probing with the FN system, the fluorescence of the internal iliac and obturator LN was greater than that of the external iliac LN.
The results we obtained with this FN approach showed that the intensity of ICG fluorescence in in vivo or ex vivo probing was the strongest in the internal iliac region, the next strongest in the obturator region, and the weakest in the external iliac region.
The clinical significance of PLND appears to be another issue, but has been discussed or emphasized in 3 different ways, such as the diagnostic nature of predicting prognosis, early recognition of additional therapy due to positive LN involvement, and possible therapeutic value of nodes dissection involved in the cancer cells.[sup.12]-[sup.14] Given the present results, we think that the internal iliac region, not only obturator or external iliac nodes, should be the target of the PLND.
Physical examination revealed a fixed hard mass in the umbilical region extending to the right iliac region. X-Ray Abdomen Standing shows Multiple Air Fluid Levels are present in left side and ultrasonography of Abdomen and Pelvis shows Intestinal obstruction with free fluid in the peritoneal cavity.
The resection should be performed with oncology principles, which was not possible for this case as there were multiple involvements of the small bowel and iliac regions. Total removal of the involved gastrointestinal segments would ensure short bowel syndrome.
A positron emission tomography (PET)/CT revealed increased fluorine-18-deoxyglucose (FDG) uptake in many lymph nodes including the bilateral neck, axillae, mediastinum, bilateral pulmonary hili, abdominal paraaortic region, iliac regions, and inguinal regions as well as the bone marrow and the spleen (Figure 1).