| GULHEMP | general physique, upper extremity, lower extremity, hearing, eyesight, mentality, and personality |
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| L/3 | lower third |
| LAS | laboratory automation system; lateral amyotrophic sclerosis; laxative abuse syndrome; left anterior-... |
| LBNP | lower body negative pressure |
| LCCS | lower cervical cesarean section |
| tendinous arch | A white, fibrous band attached to bone and/or muscle, arching over and thus protecting neurovascular elements passing beneath it from injurious compression, a linear thickening of the deep fascia of a muscle which provides attachment for ligaments and/or muscle fibres. Synonym: arcus tendineus. (05 Mar 2000) |
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| tendinous arch of levator ani muscle | <anatomy> A thickened portion of the obturator fascia that extends in an arching line from the pubis posteriorly to the ischial spine and gives origin to part of the levator ani muscle. Synonym: arcus tendineus musculi levatoris ani, arcus tendineus of obturator fascia. (05 Mar 2000) |
| tendinous arch of pelvic fascia | A linear thickening of the superior fascia of the pelvic diaphragm extending posteriorly from the body of the pubis alongside the bladder (and vagina in the female) and giving attachment to the supporting ligaments of the pelvic viscera. Synonym: arcus tendineus fasciae pelvis. (05 Mar 2000) |
| tendinous arch of soleus muscle | <anatomy> A tendinous arch stretching over the popliteal vessels between the tibia and fibula, that gives origin to the central portion of the soleus muscle. Synonym: arcus tendineus musculi solei. (05 Mar 2000) |
| transverse arch of foot | The arch formed by the proximal parts of the metatarsal bones, the three cuneiform bones, and the cuboid. Synonym: arcus pedis transversalis. (05 Mar 2000) |
| Treitz's arch | A sickle-shaped fold of peritoneum sometimes found arching between the left side of the duodenojejunal flexure and the medial border of the left kidney; its right free edge contains the ascending branch of the left colic artery and inferior mesenteric vein; forms anterior boundary of the paraduodenal recess. See: paraduodenal recess. Synonym: plica paraduodenalis, Treitz's arch. (05 Mar 2000) |
| jugular venous arch | A connecting vein between the two anterior jugular veins in the suprasternal space. Synonym: arcus venosus juguli. (05 Mar 2000) |
| expansion arch | An orthodontic appliance that moves the dental structures distally, bucally, or labially, creating increased molar to molar width and arch length. (05 Mar 2000) |
| fallopian arch | <anatomy> A fibrous band formed by the thickened inferior border of the aponeurosis of the external oblique that extends from the anterior superior spine of the ilium to the pubic tubercle bridging, muscular and vascular lacunae;forms the floor of the inguinal canal; gives origin to the lowermost fibres of internal oblique and transversus abdominis muscles. See: aponeurosis of external abdominal oblique muscle. Synonym: ligamentum inguinale, arcus inguinalis, crural arch, fallopian arch, fallopian ligament, femoral arch, Poupart's ligament. (05 Mar 2000) |
| femoral arch | <anatomy> A fibrous band formed by the thickened inferior border of the aponeurosis of the external oblique that extends from the anterior superior spine of the ilium to the pubic tubercle bridging, muscular and vascular lacunae;forms the floor of the inguinal canal; gives origin to the lowermost fibres of internal oblique and transversus abdominis muscles. See: aponeurosis of external abdominal oblique muscle. Synonym: ligamentum inguinale, arcus inguinalis, crural arch, fallopian arch, fallopian ligament, femoral arch, Poupart's ligament. (05 Mar 2000) |
| zygomatic arch | The arch formed by the temporal process of the zygomatic bone that joins the zygomatic process of the temporal bone. Synonym: arcus zygomaticus, cheek bone, malar arch, zygoma. (05 Mar 2000) |
| first arch syndrome | <syndrome> Generic term including syndrome's of malformations involving derivatives of the first branchial arch, with or without associated malformations; includes mandibulofacial dysostosis, micrognathia with peromelia, otomandibular dystosis, acrofacial dysostosis, and others. (05 Mar 2000) |
| labial arch | An orthodontic arch wire that approximates the labial surfaces of the teeth. (05 Mar 2000) |
| lamina of vertebral arch | The flattened posterior portion of the vertebral arch extending between the pedicles and the midline, forming the dorsal wall of the vertebral foramen, and from the midline junction of which the spinous process extends. Synonym: lamina arcus vertebrae, neurapophysis. (05 Mar 2000) |
| Langer's arch | pectorodorsalis muscle |