Term
| What are the unpaired m. of the face? |
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Definition
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Term
| What are the paired bones of the face? |
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Definition
| Maxilla, zygomatic, lacrimal, nasal, pallatine, and inferior nasal concha |
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Term
| What forms the zygomatic arch? |
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Definition
| The zygomatic process of the temporal bone and temporal process of the zygomatic bone |
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Term
| What is the part of the mandible that contains the teeth? |
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Definition
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Term
| What is the function and innervation of the sphincter m. of the face? |
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Definition
| Open and close facial orifices, innervated by branches of the facial n. (VII) |
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Term
| What are the sphincter m. of the face? |
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Definition
Orbital - orbicularis oculi, corrugator supercilli
Nasal - nasalis, procerus, depressor septi nasi
Oral - orbicularis oris |
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Term
| What are the 2 parts of the orbicularis oculi m. and their functions? |
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Definition
Palpebral - eyelids, closes the eye gently
Orbital - broad ring encircling the eye, squints the eye |
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Term
| Which m. causes frown lines? |
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Definition
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Term
| What are the parts of the nasalis m.? |
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Definition
Transverse part - depressor, compresses the lateral nasal cartilages
Alar part - dilator, draws the alar cartilages downwards and opens the nares |
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Term
| What does the depressor septi nasi do? |
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Definition
| Assists in widening the nares |
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Term
| What are the dilator m. of the mouth? |
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Definition
| Zygomaticus major and minor, levator anguli oris, risorius, depressor anguli oris, depressor labii inferioris, and levator anguli superioris alaeque nasi m. |
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Term
| What innervates the dilator m. of the mouth? |
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Definition
| Branches of the facial n. |
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Term
| Where does the facial n. enter and exit the skull? |
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Definition
| Exits throught the stylomastoid foramen and enters through the parotid salivary gland where it merges into branches |
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Term
| What are the branches of the facial n.? |
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Definition
| Temporal, buccal, mandibular, cervical, and zygomatic |
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Term
| What condition affects the facial n. and mimics the symptoms of a stroke? |
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Definition
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Term
| What are the 3 major a. of the face and what do they originate from? |
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Definition
| Facial, superficial temporal, and maxillary a. All branches of the external carotid a. |
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Term
| What are the branches of the facial a.? |
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Definition
| Inferior and superior labial a., submental a., and lateral nasal a. |
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Term
| What are the branches of the superficial temporal a.? |
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Definition
| Transverse facial a., frontal a., and parietal a. |
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Term
| What are the branches of the maxillary a.? |
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Definition
little meningeal a. - enters skull through foramen spinosum
muscular branches - m. of mastication
inferior alveolar a. - mandibular teeth
superior alveolar a. - maxillary teeth
buccal branches |
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Term
| What provides the venous drainage of the face? |
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Definition
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Term
| What is V3 of the trigeminal n.? Where does it enter and exit the skull? |
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Definition
Mandibular division
Exits - foramen ovale, enters - foramen spinosum |
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Term
| Which CNs have parasympathetic innervation? |
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Definition
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Term
| What n. supplies the taste buds to the anterior 2/3 of the tongue? |
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Definition
Chorda tympani n. from the facial n.
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Term
| What n. supplies sympathetic innervation to the parotid glands? |
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Definition
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Term
| What is the space between the lips and cheeks externally and the gums and teeth internally called? |
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Definition
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Term
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Definition
| Gums - connective tissue lined with mucus membrane covering the alveolar margins of the maxilla and mandible |
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Term
| What activities is the tongue involved with? |
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Definition
| Swallowing, mastication, articular speech, whistling, taste, and social activities |
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Term
| What is the function of the intrinsic m. of the tongue? |
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Definition
| Altering the tongue's shape |
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Term
| What is the function of the extrinsic m. of the tongue? |
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Definition
| Altering the tongue's movement |
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Term
| What supplies the motor innervation to the tongue? |
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Definition
| Hypoglossal n. (CN XII), except the palatoglossus which is innervated by the vagus n. (CN X) |
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Term
| Which n. supply the taste innervation to the tongue? |
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Definition
Anterior 2/3 - facial n. via the chorda tympani
Posterior 1/3 - glossopharyngeal n. (CN IX)
Oral pharynx - vagus (CN X)
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Term
| Which n. supply general sensation innervation to the tongue? |
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Definition
Anterior 2/3 - lingual n. from V3 of trigeminal n.
Posterior 1/3 - glossopharyngeal (CN IX) |
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Term
| Where do the 2 parts of the tongue lie? |
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Definition
Anterior 2/3 - oral cavity
Posterior 1/3 - oral pharynx |
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Term
| What provides the blood supply to the tongue? |
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Definition
| 2 lingual a. which are branches of the external carotids |
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Term
| What is the venous return from the tongue? |
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Definition
| Lingual v. to facial v. to anterior division of retromandibular v. to internal jugular v. to brachiocephalic v. |
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Term
| What is the smallest set of the 3 sets of salivary glands and where are they located? |
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Definition
| Sublingual glands - beneath the tongue in the floor |
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Term
| What comprises the bony structures of the nose? |
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Definition
| nasal bones, nasal part of the maxilla, and nasal part of the frontal bone |
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Term
| What is the cartilage that surrounds the nares called? |
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Definition
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Term
| What are the 2 portions of the nasal septum? |
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Definition
superior - perpendicular plate of the ethmoid bone
inferior - vomer bone |
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Term
| What is the function of the nasal concha? |
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Definition
| Aid in resonance of sound, increased surface area for mucus membranes, and warm, moisten, and filter the air |
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Term
| What are the 2 types of mucus membranes that line the nasal cavities and what is their function? |
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Definition
olfactory - receive olfactory stimuli
respiratory - warm, moisten, and clean the air passing through and into the nasal pharynx |
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Term
| What provides innervation for olfaction to the nose? |
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Definition
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Term
| What provides general sensation innervation to the nose? |
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Definition
| smal branches from the opthalmic n. (V1) and maxillary n. (V2) of the trigeminal n. |
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Term
| What enters the nasal cavity and deposits tears? |
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Definition
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Term
| Name the paranasal sinuses. |
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Definition
| Maxillary sinus (antrum), frontal sinus, sphenoid sinus, and ethmoidal sinus |
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Term
| What are the functions of the paranasal sinuses? |
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Definition
| Act as resonators for the voice and warm the air. |
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Term
| What are the parts of the pharynx? |
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Definition
| nasal pharynx, oral pharynx, and laryngeal pharynx |
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Term
| What is the main function of the nasal pharynx and how does it communicate with the nasal cavities? |
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Definition
| respiration, through the choanae (posterior nasal nares) |
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Term
| What is another name for the adenoids and what is their histologic function? |
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Definition
| pharyngeal tonsils, lymphatic tissue |
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Term
| How does the nasal pharynx communicate with the oral pharynx? |
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Definition
| a narrowed pharyngeal isthmus |
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Term
| What part of the pharynx contains the palatine tonsils? |
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Definition
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Term
| What are the 2 muscle layers of the pharynx? |
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Definition
| outer circular layer and inner longitudinal layer |
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Term
| What are the 3 paired m. of the outer circular layer of the pharynx? |
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Definition
Superior constrictors - 4 subdivisions, nasal phar.
Middle constrictors - 2 divisions, oral pharynx
Inferior constrictors - 2 divisions, laryngeal phar. |
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Term
| What is the function of the outer circular m. of the pharynx? |
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Definition
| Constrict the pharynx, involved in the swallowing mechanism |
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Term
| What innervated the outer circular layer of m. of the pharynx? |
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Definition
| pharyngeal plexus from CNIX and CNX |
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Term
| What is the function of the inner longitudinal layer of m. of the pharynx? |
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Definition
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