What is "retinacula"

Retinaculum \Ret`i*nac"u*lum\, n.; pl. Retinacula. [L., a holdfast, a band. See Retain.]

1. (Anat.)

   1. A connecting band; a fr[ae]num; as, the retinacula of the ileoc[ae]cal and ileocolic valves.

   2. One of the annular ligaments which hold the tendons close to the bones at the larger joints, as at the wrist and ankle.

2. (Zo["o]l) One of the retractor muscles of the proboscis of certain worms.

3. (Bot.) 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.

n. (plural of retinaculum English)

See retinaculum