ossa basipterygia
Look at other dictionaries:
os basipterygium — (plural ossa basipterygia)) basipterygium (plural basipterygia)(one of the endochondral fused radials or pterygiophores at the base of a fin, particularly the pelvics. The two chondral basipterygia of the pelvic fin meet anteriorly at the pubic… … Dictionary of ichthyology
os actinostum — (plural ossa actinosta)) actinost (one of a series of endochondral bones in the pectoral and pelvic girdle on which the fin rays insert. Most teleosts lack or have greatly reduced pelvic actinosts. Teleosts have one row of actinosts between the… … Dictionary of ichthyology
