| apex prostatae | The lowermost part of the prostate, situated above the urogenital diaphragm. Synonym: apex prostatae. (05 Mar 2000) |
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| apex pulmonis | The rounded, upper extremity of each lung that extends into the cupula of the pleura. Synonym: apex pulmonis. (05 Mar 2000) |
| apex radicis dentis | The tip of a tooth root, the part farthest from the incisal or occlusal side. Synonym: apex radicis dentis, root apex, root tip. (05 Mar 2000) |
| apex satyri | A point projecting upward and posteriorly from the free outcurved margin of the helix a little posterior to its upper end. Synonym: apex auriculae, apex satyri, Woolner's tip. (05 Mar 2000) |
| apex vesicae | Synonym: apex of urinary bladder. (05 Mar 2000) |
| root apex | The tip of a tooth root, the part farthest from the incisal or occlusal side. Synonym: apex radicis dentis, root apex, root tip. (05 Mar 2000) |
| notch of apex of heart | A slight notch near the apex of the heart where the anterior interventricular sulcus reaches the diaphragmatic surface of the heart. Synonym: incisura apicis cordis. (05 Mar 2000) |
| tooth apex | The tip or terminal end of the root of a tooth. (12 Dec 1998) |
| articulatio capitis costae | The synovial joint between a rib and bodies of two adjacent vertebrae; the joint cavity is divided by an intra-articular ligament which attaches to the intervertebral disk; the first, tenth, eleventh, and twelfth ribs articulate with only one vertebra. Synonym: articulatio capitis costae, capitular joint. (05 Mar 2000) |
| rectus capitis anterior | <anatomy, muscle> Origin, transverse process and lateral mass of atlas; insertion, basilar process of occipital bone; action, turns and inclines head forward; nerve supply, ventral primary ramus of first and second cervical spinal nerve. Synonym: musculus rectus capitis anterior, anterior rectus muscle of head, musculus rectus capitis anticus minor. (05 Mar 2000) |
| rectus capitis lateralis | <anatomy, muscle> Origin, transverse process of atlas; insertion, jugular process of occipital bone; action, inclines head to one side; nerve supply, ventral primary ramus of first cervical spinal nerve. Synonym: musculus rectus capitis lateralis, lateral rectus muscle of the head. (05 Mar 2000) |
| rectus capitis posterior major | <anatomy, muscle> Origin, spinous process of axis; insertion, middle of inferior nuchal line of occipital bone; action, rotates and draws head backward; nerve supply, dorsal branch of first cervical (suboccipital). See: suboccipital muscles. Synonym: musculus rectus capitis posterior major, greater posterior rectus muscle of head, musculus rectus capitis posticus major. (05 Mar 2000) |
| rectus capitis posterior minor | <anatomy, muscle> Origin, from posterior tubercle of atlas; insertion, medial third of inferior nuchal line of occipital bone; action, rotates head and draws it backward; nerve supply, dorsal branch of first cervical (suboccipital). See: suboccipital muscles. Synonym: musculus rectus capitis posterior minor, musculus rectus capitis posticus minor, smaller posterior rectus muscle of head. (05 Mar 2000) |
| regio frontalis capitis | The surface region of the head corresponding to the outlines of the frontal bone. Synonym: regio frontalis capitis. (05 Mar 2000) |
| 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) |