retinaculum

noun5

1. •
   A connecting band.

   • the retinacula of the ileocaecal 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.
3. •
   One of the retractor muscles of the proboscis of certain worms.
4. •
   A loop on the underside of the forewing of some moths.
5. •
   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.