Muscle spindle in masticatory muscle and its trigeminal mesencephalic nucleus.
D000818:Animals; D000882:Haplorhini; D008410:Masticatory Muscles / Q000294:innervation*; D009470:Muscle Spindles / Q000033:anatomy & histology*; D014276:Trigeminal Nerve / Q000033:anatomy & histology*; D014418:Tupaiidae