A pouch or cavity in the body located near the hyoid bone, often of interest in anatomical studies.

हायोइडीन साइनस

English Usage: The hyoidean sinus plays a critical role in the anatomy of certain aquatic animals.

Hindi Usage: हायोइडीन साइनस कुछ जलीय जानवरों की शारीरिक रचना में महत्वपूर्ण भूमिका निभाता है।