| regiones abdominis | The topographical subdivisions of the abdomen; based on subdividing the abdomen by the transpyloric, interspinous and midclavicular planes; including the right and left hypochondriac, right and left lateral, right and left inguinal, and the unpaired epigastric, umbilical and pubic regions. Synonym: regiones abdominis, abdominal zones. (05 Mar 2000) |
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| regiones | Plural of regio. Origin: L. (05 Mar 2000) |
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| regiones capitis | The topographical division of the cranium in relation to the bones of the cranial vault; the regions include frontal, parietal, occipital, and temporal. Synonym: regiones capitis. (05 Mar 2000) |
| regiones cervicales | The topographical subdivisions of the neck. Synonym: regiones cervicales, neck. (05 Mar 2000) |
| regiones corporis | The topographical divisions of the body. Synonym: regiones corporis. (05 Mar 2000) |
| regiones dorsales | The topographical regions of the back of the trunk, including the vertebral region, sacral region, scapular region, infrascapular region, and lumbar region. Synonym: regiones dorsales. (05 Mar 2000) |
| regiones faciales | The topographical subdivisions of the face, including nasal, oral, mental, orbital, infraorbital, buccal, and zygomatic. Synonym: regiones faciales. (05 Mar 2000) |
| regiones membri inferioris | The topographic divisions of the lower limb: gluteal, thigh (or femoral), knee, leg (or crural), ankle, and foot. Synonym: regiones membri inferioris, regions of inferior limb. (05 Mar 2000) |
| regiones membri superioris | The topographic divisions of the upper limb: deltoid, arm, elbow, forearm, carpal region, and hand. Synonym: regiones membri superioris, regions of superior limb. (05 Mar 2000) |
| regiones pectorales | The topographic divisions of the chest: presternal, mammary, inframammary, and axillary. See: pectoral region. Synonym: regiones pectorales. (05 Mar 2000) |
| anterior layer of rectus abdominis sheath | The portion of the rectus sheath that lies anterior to the muscle, consisting in its upper two-thirds of contributions from the aponeuroses of the external and internal oblique muscles, and in its lower third (below the arcuralt line) of contributions from the aponeuroses of all three muscles of the anterolateral abdominal wall. Synonym: lamina anterior vaginae musculi recti abdominis. (05 Mar 2000) |
| vagina musculi recti abdominis | Sheath of the rectus abdominis, formed by the aponeuroses of the three anterolateral muscles of the abdominal wall that split to enclose the rectus and fuse medially to form the linea alba; it consists of an anterior lamina and a posterior lamina, the latter being absent below the arcuate line. See: aponeurosis of external abdominal oblique muscle, aponeurosis of internal abdominal oblique muscle. Synonym: vagina musculi recti abdominis. (05 Mar 2000) |
| venae subcutaneae abdominis | The network of superficial veins of the abdominal wall that empty into the thoracoepigastric, superficial epigastric, or superior epigastric veins and form portocaval anastomoses through their communications with the paraumbilical veins. Synonym: venae subcutaneae abdominis. (05 Mar 2000) |
| rectus abdominis | A long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents. It is frequently the site of haematomas. In reconstructive surgery it is often used for the creation of myocutaneous flaps. (12 Dec 1998) |
| rectus abdominis muscle | <anatomy> Muscle of ventral abdominal wall, flanking the linea alba, and characterised by tendinous intersections separating its length into multiple bellies; origin, crest and symphysis of the pubis; insertion, xiphoid process and fifth to seventh costal cartilages; action, flexes lumbar vertebral column, draws thorax downward toward pubis; nerve supply, thoracoabdominal nerves. Synonym: musculus rectus abdominis, rectus muscle of abdomen. (05 Mar 2000) |
| cavum abdominis | <anatomy> That portion of the body extending from beneath the diaphragm down to the pelvis. It contains all the abdominal organs. (27 Sep 1997) |