interosseous tibiofibular ligament

in·ter·os·se·ous tib·i·o·fib·u·lar lig·a·ment

the distal continuation of the interosseous membrane forming a strong ligament that unites the distal end of the tibia and fibula; it lies deep to the posterior tibiofibular ligament. Synonym(s): transverse tibiofibular ligament