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Head & Neck Anatomy
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Question | Answer |
---|---|
Deglutition | The process by which masticated food is moved from the mouth to the stomach for digestion. |
Muscles of mastication | Temporalis, masseter, lateral and medial pterygoid. |
Anatomy | The study of the structure of organisms. |
Physiology | The study of the function of organisms. |
Muscles of facial expressions | Frontalis, orbicularis oris, buccinator, and zygomatic. |
Tongue | Functions to provides us with speech, mastication,and swallowing. |
Four primary muscles of the mouth | Genioglosus, hyoglossus, styloglossus, palatoglossus. |
Neck muscles | Sternocleidomastoid, platysma, and trapezius. |
Muscles of the floor of the mouth | Digastric, stylohyoid, mylohyoid, and geniohyoid. |
Voluntary muscles | Are attached to the skeleton and move bones at the joints. |
Involuntary muscles | Are found in the walls of the body's internal organs. |
Cardiac muscles | Are found only in the walls of the heart. |
TMJ | Is formed by the union of the condyle of the mandible with the glenoid fossa and the articular eminence of the temporal bone. |
Skull | Consists of 22 bones. |
Trigeminal nerve | Has three branches, the opthalmic, maxillary and mandibular. |
Xerostomia | When the flow of saliva is insufficient or almost non existant, the mouth feels extremely dry. |
Sublingual gland | Smallest gland and is shaped like an almond. |
Sialolith | Calcified stone in the ducts of salivary glands. |
Soft palate | May become stimualted if touched causing a strong gag reflex. |
Parotid gland | Located below the ear, is the largest salivary gland. |