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hyomandibular lateral line. infraorbital lateral line primordium. occipital lateral line. infraorbital lateral line. supraorbital lateral line. trunk lateral line. epibranchial placode. hypobranchial placode. cephalic nerve. trigeminal placode. gasserian ganglion. profundus ganglion.
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hyomandibular lateral line infraorbital lateral line primordium occipital lateral line infraorbital lateral line supraorbital lateral line trunk lateral line epibranchial placode hypobranchial placode cephalic nerve trigeminal placode gasserian ganglion profundus ganglion trigeminus ganglion choana auditory ossicle nasal pit auditory tube olfactory nerve external ear olfactory organ inner ear middle ear tympanum hypophyseal primordium mouth primordium Rathke's pouch tooth dorsal lateral line middle lateral line ventral lateral line cement gland primordium cement gland primary germ layer cranial placode lateral line placode is a dorsolateral placode ectoderm lens lens placode develops into olfactory placode sensorial layer Jacobson's organ has parts otic placode ear vesicle auditory apparatus stomodeal-hypophyseal primordium trunk placode caudal lateral line unicellular gland