01 n. A connecting band; a fraenum; as, the retinacula of the ileocaecal and ileocolic valves.
pl.
Retinacula ((#))
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1.
A connecting band; a fraenum; as, the retinacula of the ileocaecal and ileocolic valves.(Anat.)
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2.
One of the retractor muscles of the proboscis of certain worms.(Zool.)
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3.
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.(Bot.)