arcus

(redirected from arcus senilis)
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Related to arcus senilis: arcus juvenilis, corneal arcus

arcus

[′ar·kəs]
(meteorology)
A dense and horizontal roll-shaped accessory cloud, with more or less tattered edges, situated on the lower front part of the main cloud.

arcus

A low, horizontal cloud formation associated with the leading edge of thunderstorm outflow (i.e., gust front). Roll clouds and shelf clouds are both types of arcus clouds.
References in periodicals archive ?
0 1 (0-2) 1 (1-2) Xanthalesma, n (%) 11 (23) 74 (45) Arcus senilis, n (%) 3 (6) 7 (4) Earlobe crease, n (%) 18 (38) 84 (51) Hair thinning, n (%) 9 (19) 23 (14) Medications ASA / Clopidogrel, n (%) 17 (35)/0 (0) 76 (46)/10 (6) Statin, n (%) 5 (10) 48 (29) ACEI / ARB, n (%) 8 (17)/9 (19) 50 (30)/30 (18) BB, n (%) 15 (31) 59 (36) CCB, n (%) 3 (6) 18 (11) OAD/Insulin, n (%) 0 (0) 18 (11) Nitrate, n (%) 3 (6) 21 (13) Variables * p Age, years NS Height, cm NS Weight, kg NS BMI, kg/[m.