Hydromyelia is a medical condition that involves widening of the intraspinal cavity or is a marked dilatation of the central spinal canal. The central canal of the spinal column is the main area of affectation that results to increased pressure due to fluid accumulation.
dangling participle - a participle (usually at the beginning of a sentence) apparently modifying a word other than the word intended: e.g., `flying across the country' in `flying across the country the Rockies came into view'.
1640s, during, in the process of, preposition formed from root of French pendant during, literally hanging, present participle of pendere to hang, to suspend (see pendant). Meaning patterned on a secondary sense of Latin pendente not decided, literally hanging, in legal phrase pendente lite while the suit is pending.. Use of the present participle before nouns caused it to be regarded as a preposition. As an adjective from 1797.