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'.
A participle is a form of a verb that is used in a sentence to modify a noun, noun phrase, verb, or verb phrase, and thus plays a role similar to that of an adjective or adverb.It is one of the types of nonfinite verb forms.n adverbial participle (or a participial phrase/clause based on such a participle) plays the role of an adverbial (adverb phrase) in the sentence in which it appears, whereas an adjectival participle (or a participial phrase/clause based on one) plays the role of an adjective phrase.