tympanicum التعريفات والمعاني == English == === Noun === tympanicum (anatomy) The ectotympanic ring; a bony ring that holds the eardrum. شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة tympanum tympanic tympanically tympanique tympanic membrane tympanic bone tympanisme tympanic plexus tympanicity