| drop hand | Paralysis of the extensors of the wrist and fingers; most often caused by lesion of the radial nerve. Synonym: carpoptosis, carpoptosia, drop hand. (05 Mar 2000) |
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| drop heart | A condition in which the heart is unduly movable and displaced downward, as distinguished from bathycardia. See: cor mobile, cor pendulum. Synonym: drop heart. Origin: cardio-+ G. Ptosis, a falling (05 Mar 2000) |
| intraspinal drop metastases | <radiology> Medulloblastoma, glioblastoma, pinealoma, ependymoma, ** intraspinal / extramedullary (12 Dec 1998) |
| open drop anaesthesia | Inhalation anaesthesia by vaporization of a liquid anaesthetic placed drop by drop on a gauze mask covering the mouth and nose. (05 Mar 2000) |
| tear drop fracture | <radiology> Avulsion of anterioinferior corner of cervical vertebral body by anterior ligament, most severe and unstable injury of the cervical spine, often the result of diving into shallow water, may be secondary to hyperflexion or hyperextension, typically at C2 see: cervical spine fractures (12 Dec 1998) |
| egg drop syndrome | <syndrome> A disease of chickens caused by an adenovirus and characterised by production of soft-shelled and shell-less eggs in apparently healthy birds. (05 Mar 2000) |
| toe-drop | Inability to dorsiflex the toes, usually due to paralysis of the toe extensor muscles. (05 Mar 2000) |
| enamel drop | A developmental anomaly in which there is a small nodule of enamel below the cementoenamel junction, usually at the bifurcation of molar teeth. Synonym: enamel drop, enamel nodule, enamel pearl. (05 Mar 2000) |
| foot-drop | Paralysis or weakness of the dorsiflexor muscles of the foot, as a consequence of which the foot falls, the toes dragging on the ground in walking; many causes, both central and peripheral. (05 Mar 2000) |