| riMLF | rostral interstitial median longitudinal fasciculus |
|---|---|
| T1 | longitudinal relaxation time |
| T1 | spin-lattice or longitudinal relaxation time; tricuspid first sound |
| MLF | medial longitudinal fascicle |
|---|---|
| OPLL | of the Posterior longitudinal ligament |
| PLL | posterior longitudinal ligament |
| riMLF | rostral intersititial nucleus of the medial longitudinal fasciculus |
| longitudinal sinus | See: inferior sagittal sinus, superior sagittal sinus. Longitudinal vertebral venous sinus, large, plexiform veins forming portions of the anterior internal vertebral venous plexus lying on the posterior surfaces of the vertebral bodies on either side of the posterior longitudinal ligament. Synonym: sinus vertebrales longitudinales. Luschka's sinus, venous sinus in the petrosquamous suture. (05 Mar 2000) |
|---|---|
| longitudinal studies | Studies in which variables relating to an individual or group of individuals are assessed over a period of time. (12 Dec 1998) |
| longitudinal study | <epidemiology> A study taking place over time. If individuals are followed, this is a longitudinal cohort study. If individuals are not followed, but classes (usually age classes) are restudied, this is a longitudinal cross-sectional study. The converse of a horizontal study. (05 Dec 1998) |
| longitudinal sulcus of heart | See: anterior interventricular groove, posterior interventricular groove. (05 Mar 2000) |
| longitudinal wave | <physics> Waves where the variation of the field is partially or totally in the direction of propagation (parallel to wavennumber, k [a vector]). Examples include sound waves and Langmuir waves. Contrasted with transverse waves, where the variation is perpendicular to the direction of propagation, such as light waves. (13 Nov 1997) |
| accessory ligaments | Ligament's about a joint that are in addition to the articular capsule. They may lie within, or on the outside of the latter. (05 Mar 2000) |
| accessory plantar ligaments | The counterparts in the foot of the palmar ligaments in the hand. Synonym: ligamenta plantaria, accessory plantar ligaments, Cruveilhier's ligaments, glenoid ligament. (05 Mar 2000) |
| accessory volar ligaments | The fibrocartilaginous plates, one located on the anterior aspect of each metacarpophalangeal and interphalangeal joint, that are firmly attached to the bases of the phalanges and the heads of the next proximal bones; they are grooved to accommodate the long flexor tendons. Synonym: ligamenta palmaria, accessory volar ligaments. (05 Mar 2000) |
| alar ligaments | One of a pair of short stout bands that extends from the side of the dens of the axis to the tubercle on the medial aspect of the occipital condyle. Synonym: check ligaments of odontoid. Synonym: alar folds. (05 Mar 2000) |
| annular ligaments of the trachea | The fibrous membranes that connect adjacent tracheal cartilages. Synonym: ligamenta annularia trachealia, ligamenta trachealia. (05 Mar 2000) |
| anterior sacroiliac ligaments | The strong fibrous bands that reinforce the sacroiliac joint anteriorly. Synonym: ligamenta sacroiliaca anteriora, ventral sacroiliac ligaments. (05 Mar 2000) |
| auricular ligaments | The three ligaments that attach the auricle to the side of the head: anterior auricular ligament (ligamentum auriculare anterius), which extends from the root of the zygomatic process to the spine of the helix; posterior auricular ligament (ligamentum auriculare posterius), which extends from the mastoid process to the conchal eminence; superior auricular ligament (ligamentum auriculare superius), which extends from the superior margin of the osseous external acoustic meatus to the spine of the helix. Synonym: ligamenta auricularia, Valsalva's ligaments. (05 Mar 2000) |
| Barkow's ligaments | The anterior and posterior portions of the fibrous capsule of the elbow joint. (05 Mar 2000) |
| Berry's ligaments | <anatomy> Thickened elastic bundle connecting the superior horn of the thyroid cartilage to the tip of the greater horn of the hyoid cartilage; forms the posterior border of the thyrohyoid membrane. Synonym: ligamentum thyrohyoideum laterale, Berry's ligaments, ligamentum hyothyroideum laterale. (05 Mar 2000) |
| radiate sternocostal ligaments | Fibres of the articular capsule that radiate from the costal cartilages to the anterior surface of the sternum. Synonym: ligamenta sternocostalia radiata. (05 Mar 2000) |