annulus fibrosus

[ə-ˈnü-ləs fī-ˈbrō-səs]
nounmasculinepl: annuli fibrosi
anel fibroso
1. The outer fibrous ring of an intervertebral disc composed of concentric layers of collagen fibers that encloses the nucleus pulposus and provides structural support to the spine
The annulus fibrosus can rupture when subjected to excessive force, leading to a herniated disc.
O anel fibroso pode romper quando submetido a força excessiva, levando a uma hérnia de disco.
2. A ring-shaped fibrous tissue structure found in anatomical contexts
Degenerative changes in the annulus fibrosus are common in aging individuals.
Alterações degenerativas no anel fibroso são comuns em indivíduos idosos.
This is primarily a medical and anatomical term used by healthcare professionals, orthopedic surgeons, and physical therapists in both Brazil and Portugal. It is commonly encountered in medical education, clinical settings, and rehabilitation contexts. The Latin term is frequently retained in professional medical discourse even when written in Portuguese, reflecting the international nature of medical nomenclature.
Synonyms / Sinônimos
fibrous ringouter fibrous layer of intervertebral discanel fibroso da vértebra

Regional Variations

General Brazilian Portuguese
anel fibroso
Standard medical terminology used across Brazil
Portugal
anel fibroso
Identical terminology in European Portuguese medical context
Medical Literature
annulus fibrosus (Latin)
Often retained in its Latin form in scientific and medical publications in both English and Portuguese

Related Words

nucleus pulposusintervertebral discvertebraspinal columndisco intervertebralnúcleo pulposocollagenfibrosis
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