Biological screw joint

naturally occurring form of screw joint

en-GB/ˌbaɪəˈlɒd͡ʒɪkl ˈskɹuː ˈd͡ʒɔɪnt/
en-US/ˌbaɪəˈlɑd͡ʒɪkəl ˈskɹu ˈd͡ʒɔɪnt/

زمرے:

Screw joint