stenosis

DEFINITION of stenosis

Stenosis refers to any pathological reduction in the lumen (inner space) of a tubular structure — such as a blood vessel, heart valve, spinal canal, or airway. It can be congenital (present at birth) or acquired (due to atherosclerosis, fibrosis, calcification, inflammation, or prior interventions). The narrowing impedes normal flow of blood, air, cerebrospinal fluid, or other substances, producing symptoms specific to the affected structure — for example, chest pain in aortic stenosis or leg pain in spinal stenosis. Treatment ranges from medication and dilation to surgical repair or replacement.

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ETYMOLOGY of stenosis

latin First attested in English in 1846, from medical Latin stenosis, itself from Greek στένωσῐς (stēnōsis), meaning “a narrowing,” derived from στενόειν (stenoun, “to narrow”), from στενός (stenós, “narrow, short”) + the Greek noun-forming suffix -σῐς (-sis, expressing a state or process). Suffix form: -stenosis (denoting abnormal narrowing of a specific structure, e.g., angiostenosis).Combining root: sten(o)- (“narrow”) + -osis (“condition of”).-sten(o)- as a Root. The root sten(o)- means “narrow in shape” and appears independently of the full -stenosis suffix. Stenography — lit. “narrow writing” (shorthand) Stenotic — adjectival form, meaning “of or relating to stenosis”

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RELATED TERMS

Term	Meaning
Restenosis	Recurrence of stenosis after treatment
Aortic stenosis	Narrowing of the aortic valve
Spinal stenosis	Narrowing of the spinal canal
Subglottic stenosis	Narrowing below the vocal cords
Pyloric stenosis	Narrowing of the stomach outlet
Mitral stenosis	Narrowing of the mitral heart valve
Bronchostenosis	Narrowing of a bronchial tube
Dacryostenosis	Narrowing of the lacrimal (tear) duct
Craniostenosis	Premature fusion/narrowing of skull sutures

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DERIVATIONS of stenosis

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Query functionality

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Med roots Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms