| Term | Definition |
| Occipitofrontalis m. | [A] Frontal: elevates eyebrows and wrinkles skin on forehead, protracts scalp Occipital: retracts scalp [IN] Facial n. CN VII (zygomatic and temporal) |
| Orbicularis Oculi m. | [A] Closes eyelids (palpebral part gently, orbital part tightly) [IN] Facial n. CN VII (zygomatic and buccal) |
| Orbicuaris Oris m. | [A] Closes mouth, compresses and protrudes lips (kissing) and reists distension (blowing) [IN] Facial n. CN VII (marginal mandibular) |
| Levator Labii Superioris m. | [A] Dilator of mouth, retract (elevate) upper lip, deepen nasolabial sulcus (sadness) [IN] Facial n. CN VII (marginal mandibular) |
| Zygomaticus Minor m. | [A] Dilator of mouth, retract (elevate) upper lip, deepen nasolabial sulcus (sadness) [IN] Facial n. CN VII (marginal mandibular) |
| Risorius m. | [A] Dilator of mouth, depresses labial commisure bilaterally to frown [IN] Facial n. CN VII (marginal mandibular) |
| Depressor Anguli Oris m. | [A] Dilator of mouth, depresses labial commisure bilaterally to frown [IN] Facial n. CN VII (cervical) |
| Platysma m. | [A] depresses mandible (against resistance), tenses skin of inferior face and neck [IN] Facial n. CN VII (branches of parotid plexus) |
| Buccinator m. | [A] presses cheek against molar teeth, works with tongue to keep food b/w occlusal surfaces and out of oral vestibule, resists distension (blowing) [IN] Facial n. CN VII (marginal mandibular) |