Define nadir. nadir synonyms, nadir pronunciation, nadir translation, English dictionary definition of nadir. n. 1. Astronomy A point on the celestial sphere directly below the observer, diametrically opposite the zenith. 2. The lowest point: the nadir of their...
Annular tear â definition and causes. By Michael Perry, M.D. An annular tear is one of the most common degenerative spine conditions that develop with the natural aging process of the spine. In fact, many people over the age of 50 have an annular tear and never know it.
Introduction. The palmar/plantar annular ligament is a fibrous band that wraps around the flexor tendons as they pass over the fetlock sesamoid bones on the palmar/plantar surface of the limb.esmotomy of the annular ligament will also reduce constriction, allowing healing and drainage and thus aiding return to soundness if the primary pathology can be controlled. If adhesions are suspected, a larger incision should be made so as to grant better visualisation.