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n. An intermediary

n. A central carpal bone or tarsal bone

n. Intermediate space.

n. An intervening agent or instrument.

n. The bone or cartilage between the radiale and ulnare in the carpus, and between the tibiale and fibulare in the tarsus. It corresponds to the lunar in the carpus, and to a part of the astragalus in the tarsus of man and most mammals.

n. Intermediate space.

n. That which intervenes; an intervening agent or medium.

n. In anatomy and zoology, a median carpal or tarsal bone of the proximal row, so called from its situation between the ulnare and the radiale in the carpus, and between the tibiale and the fibulare in the tarsus. See cuts under carpus and Ichthyosauria.

"Shubin et al.: "In both Tiktaalik and early tetrapods, the ulnare is block-shaped and articulates with multiple radials or digits, whereas the intermedium is a simple rod.""

intermediary