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Muscles
| Question | Answer |
|---|---|
| Define: Buccinator Muscle | thin, flat muscle of the cheek between the upper and lower jaw that compresses the cheeks and expels air between the lips |
| Define: Clavicle | Also known as collar bone; bone that joins the sternum and scalpula. |
| Define: Corrugator Muscle | Muscle located beneath the frontalis and orbicularis oculi muscles that draws the eyebrows down and wrinkles the forehead vertically. |
| Define: Depressor Labii Inferioris Muscle | Also known as quadratus labii inferioris muscle; muscle surrounding the lower lip; lowers the lower lip and draws it to one side, as in expressing sarcasm. |
| Define: Levator Labii Superioris Muscle | Also known as quadratus labbii superioris muscle; the muscle surrounding the upper lip; elevates tge upper lip and dialates the nostrils, as in expressing distaste. |
| Define: Levator Anguli Oris Muscle | Also known as the caninus muscle; muscle that raises the angle of the mouth and draws it inward. |
| Define: Masseter | Muscles that coordinate with the temporalis and pterygoid muscles to open and close the mouth and bring the jaw forward; sometimes referred to as the chewing muscles. |
| Define: Mentalis Muscle | Muscle that elevates the lower lip and raises and wrinkles the skin of the chin. |
| Define: Nasal Bones | Bones that form the bridge of the nose. |
| Define: Nasal Nerve | Branch of the fifth cranial nerve that affects the point and lower side of the nose. |
| Define: Occipitalis | Back (posterior) portion of the epicranius; muscle that draws the scalp backward. |
| Define: Orbicularis Occuli Muscle | Ring muscle of the eye socket; enables you to close your eyes. |
| Define: Orbicularis Oris Muscle | Flat band of muscle around the upper and lower lips that compresses, contracts, puckers and wrinkles the lips. |
| Define: Plasma | Fluid part of the blood in which the red and white blood cells and platelets flow. |
| Define: Procerus Muscle | Muscle that covers the bridge of the nose, lowers the eyebrows, and causes wrinkles across the bride of the nose. |
| Define: Risorius Muscle | Muscle of the mouth that draws the corner of the mouth ou and back as in grinning. |
| Define: Temporalis | Muscles that coordinate with the masseter and the ptergoid muscles to open and close the mouth and bring the jaw forward; sometimes referred to as the chewing muscles. |
| Define: Thyroid Muscles | Glands of the endocrine system that controls how quickly the body burns energy (metabolism), makes proteins, and how sensative the body should be to other hormones. |
| Define: Zygomaticus Major Muscles | Muscles on both sides of the face that extend from the zygomatic bone to the angle of the mouth. These muscles pull the mouth backward, upward, outward as when you are laughing or smiling, |
| Define: Zygomativus Minor Muscles | Muscles on both sides of the face that extend from the zygomatic bone to the upper lips. These muscles pull the upper lip backward, upward, and outward, as when you are smiling. |
| Define: Occipital Artery | Branch of the external cartoid artery that supplies blood to the skin and muscles of the scalp and back of the head, up to the crown. |
| Define: Occipital Bone | Hindmost bone of the skull; below the parital bones; forms the back of the skull above the nape. |
| Define: Sternocleidomastoideus | Muscle of the neck that lowers and rotates the head. |
| Define: Zygomatic Bone | Also known as mallar bones or cheek bones; bones that form the prominince of the cheeks. |
| Define: Zygomatic Nerve | Branch of the fifth and seventh cranial nerves that affects the muscles of the upper part of the cheek. |