retinacula
plural of retinaculum
• carinulate, urticalean
Source: Wiktionary
Ret`i*nac"u*lum, n.; pl. Retinacula. Etym: [L., a holdfast, a band. See Retain.]
1. (Anat.) (a) A connecting band; a frænum; as, the retinacula of the ileocæcal and ileocolic valves. (b) One of the annular ligaments which hold the tendons close to the bones at the larger joints, as at the wrist and ankle.
2. (Zoöl)
Definition: One of the retractor muscles of the proboscis of certain worms.
3. (Bot.)
Definition: A small gland or process to which bodies are attached; as, the glandular retinacula to which the pollinia of orchids are attached, or the hooks which support the seeds in many acanthaceous plants.
Source: Webster’s Unabridged Dictionary 1913 Edition
29 June 2025
(adjective) deserving of the highest esteem or admiration; “an estimable young professor”; “trains ran with admirable precision”; “his taste was impeccable, his health admirable”
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