| pectineal line | A ridge running down the posterior surface of the shaft of the femur from the lesser trochanter to which the pectineus muscle attaches; continuous superiorly with intertrochanteric line and inferiorly with the medial lip of the linea aspera. Synonym: linea pectinea. (05 Mar 2000) |
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| pectineal line of pubis | The continuation on the superior ramus pubis of the linea terminalis, forming a sharp ridge. Synonym: pecten ossis pubis, pectineal line of pubis. (05 Mar 2000) |
| pectineal | <anatomy> Of or pertaining to the pecten. Relating to, or connected with, the pubic bone. See: Pecten. Source: Websters Dictionary (01 Mar 1998) |
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| pectineal ligament | <anatomy> A thick, strong fibrous band that passes laterally from the lacunar ligament along the pectineal line of the pubis. See: aponeurosis of external abdominal oblique muscle. Synonym: ligamentum pectineale, Cooper's ligaments. (05 Mar 2000) |
| pectineal muscle | <anatomy, muscle> Origin, crest of pubis; insertion, pectineal line of femur; action, adducts thigh and assists in flexion; nerve supply, obturator and femoral. Synonym: musculus pectineus, pectineal muscle. (05 Mar 2000) |
| alveolonasal line | A line connecting the alveolar point and the nasion. (05 Mar 2000) |
| Amberg's lateral sinus line | A line dividing the angle formed by the anterior edge of the mastoid process and the temporal line. (05 Mar 2000) |
| anocutaneous line | The line between the simple columnar epithelium of the rectum and the stratified epithelium of the anal canal. Synonym: linea anocutanea, anocutaneous line, dentate line. (05 Mar 2000) |
| anterior axillary line | A vertical line extending inferiorly from the anterior axillary fold. Synonym: linea axillaris anterior, linea preaxillaris, preaxillary line. (05 Mar 2000) |
| anterior junction line | Radiographic projection of the mediastinal tissue septum between the upper lobes behind the sternum. (05 Mar 2000) |
| anterior median line | The line of intersection of the midsagittal plane with the anterior surface of the body. Synonym: linea mediana anterior. (05 Mar 2000) |
| arcuate line | An arching or bow-shaped line. See: arcuate line of ilium, arcuate line of rectus sheath. Synonym: linea arcuata. (05 Mar 2000) |
| arcuate line of ilium | The iliac portion of the linea terminalis of the bony pelvis. Synonym: linea arcuata ossis ilii. (05 Mar 2000) |
| arcuate line of rectus sheath | A crescentic line, not always clearly defined, which marks the lower limit of the posterior layer of the sheath of the rectus abdominis muscle. Synonym: linea arcuata vaginae musculi recti abdominis, Douglas' line, linea saemicircularis, saemicircular line. (05 Mar 2000) |
| arterial line | An intra-arterial catheter. (05 Mar 2000) |
| axillary line | See: anterior axillary line, midaxillary line, posterior axillary line. (05 Mar 2000) |
| basinasal line | A line connecting the basion and the nasion. Synonym: nasobasilar line. (05 Mar 2000) |