| ALAO | angiographic area of left anterior oblique projection |
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| ALD | adrenoleukodystrophy; alcoholic liver disease; aldolase; anterior latissimus dorsi; Appraisal of Lan... |
| ALMI | anterior lateral myocardial infarct |
| ALMV | anterior leaflet of the mitral valve |
| ALN | allylnitrile; anterior lymph node |
| sulcus subclavianus | A groove on the inferior surface of the body of the clavicle to which is attached the subclavius muscle. Synonym: sulcus musculi subclavii, subclavian sulcus, sulcus subclavianus. (05 Mar 2000) |
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| sulcus subclavius | <anatomy, artery> A sulcus on the surface of the lung just below the apex, corresponding to the course of the subclavian artery. Synonym: sulcus subclavius. (05 Mar 2000) |
| sulcus subparietalis | A sulcus continuing the direction of the cingulate sulcus from where the marginal part of that fissure bends upward; it forms the upper boundary of the posterior portion of the cingulate gyrus. Synonym: sulcus subparietalis. (05 Mar 2000) |
| sulcus supra-acetabularis | A groove, posterosuperior to the acetabulum, that is the attachment for the reflected head of the rectus femoris muscle. Synonym: sulcus supra-acetabularis, supra-acetabular sulcus. (05 Mar 2000) |
| sulcus tali | The groove on the inferior surface of the talus, which with a corresponding groove on the calcaneus forms the sinus tarsi. Synonym: sulcus tali, interosseous groove, talar sulcus. (05 Mar 2000) |
| sulcus temporalis inferior | The sulcus on the basal aspect of the temporal lobe that separates the fusiform gyrus from the inferior temporal gyrus on its lateral side. Synonym: sulcus temporalis inferior, Clevenger's fissure. (05 Mar 2000) |
| sulcus temporalis medius | The sulcus between the middle temporal gyrus and inferior temporal gyrus. Synonym: sulcus temporalis medius. (05 Mar 2000) |
| sulcus temporalis superior | The longitudinal sulcus that separates the superior and middle temporal gyri. Synonym: sulcus temporalis superior, superior temporal fissure. (05 Mar 2000) |
| sulcus tendinis musculi fibularis longi | An alternate term for groove for tendon of peroneus longus muscle. (05 Mar 2000) |
| sulcus tendinis musculi flexoris hallucis longi | Groove for tendon of the flexor hallucis longus; a vertical sulcus on the posterior process of the talus continuous with a similar groove on the underside of the sustentaculum tali of the calcaneus. Synonym: sulcus tendinis musculi flexoris hallucis longi. (05 Mar 2000) |
| sulcus tendinis musculi peronei longi | <anatomy> The groove below the peroneal trochlea of the calcaneus, the groove distal to the tuberosity of the cuboid bone. Synonym: sulcus tendinis musculi peronei longi, sulcus tendinis musculi fibularis longi. (05 Mar 2000) |
| sulcus terminalis | Sulcus terminalis linguae; a V-shaped groove, with apex pointing backward, on the surface of the tongue, marking the separation between the oral, or horizontal, and the pharyngeal, or vertical, parts, sulcus terminalis atrii dextri; a groove on the surface of the right atrium of the heart, marking the junction of the primitive sinus venosus with the atrium. Synonym: terminal sulcus. (05 Mar 2000) |
| sulcus tubae auditivae | A furrow on the inner surface of the posterior border of the greater wing of the sphenoid bone, for the cartilaginous auditory tube. Synonym: sulcus tubae auditivae, pharyngotympanic groove. (05 Mar 2000) |
| sulcus tympanicus | The sulcus on the inner aspect of the tympanic part of the temporal bone in which the tympanic membrane is fixed. Synonym: sulcus tympanicus. (05 Mar 2000) |
| sulcus venae cavae | A groove on the posterior surface of the liver between the caudate lobe and the right lobe which gives passage to the inferior vena cava. Synonym: sulcus venae cavae, fossa venae cavae, sulcus for vena cava. (05 Mar 2000) |