- anulus
- SYN: ring (1). [L.]- a. ciliaris SYN: ciliary body.- a. conjunctivae [TA] SYN: conjunctival ring.- a. femoralis [TA] SYN: femoral ring.- a. fibrosus [TA] 1. SYN: (right and left) fibrous rings of heart, under ring. 2. SYN: a. fibrosus of intervertebral disk.- a. fibrosus of intervertebral disk [TA] the ring of fibrocartilage and fibrous tissue forming the circumference of the intervertebral disk; surrounds the nucleus pulposus, which is prone to herniation when the annulus fibrosus is compromised. SYN: a. fibrosus disci intervertebralis [TA], a. fibrosus (2) [TA], fibrous ring of intervertebral disk, fibrous ring (2).- a. hemorrhoidalis SYN: hemorrhoidal zone.- a. iridis [TA] SYN: border of iris.- a. lymphoideus pharyngis [TA] SYN: pharyngeal lymphatic ring.- a. ovalis SYN: limbus fossae ovalis.- a. tendineus communis SYN: common tendinous ring of extraocular muscles.- a. tympanicus SYN: tympanic ring.- a. umbilicalis SYN: umbilical ring.- Vieussens a. SYN: limbus fossae ovalis.
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anu·lus (anґu-ləs) gen. and pl. aґnuli [L., from anus ring] ring: preferred spelling in official terminology (TA) for a circular or ringlike structure; spelled also annulus. See also circle and circulus.
Medical dictionary. 2011.