Term
Directions
Name the part of the head or neck that is Brown or the same color as the arrow pointing to it |
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Definition
Directions
Name the part of the head or neck that is Brown or the same color as the arrow pointing to it |
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Term
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Definition
DEPRESSOR LABII INFERIORIS
ACTION
Depresses and draws lower lip laterally |
NERVE
Mandibular branch of facial nerve (VII) |
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Term
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Definition
LEVATOR ANGULI ORIS
ACTION
Elevates angle of mouth |
NERVE
Buccal branch of facial nerve (VII) |
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Term
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Definition
LEVATOR LABII SUPERIORIS
ACTION
Elevates and everts upper lip |
NERVE
Buccal branch of facial nerve (VII) |
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Term
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Definition
LEVATOR LABII SUPERIORIS ALAEQUE NASI
ACTION
Dilates nostril and elevates upper lip |
NERVE
Buccal branch of facial nerve (VII) |
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Term
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Definition
DEPRESSOR ANGULI ORIS
ACTION
Depresses and draws angle of mouth laterally |
NERVE
Mandibular branch of facial nerve (VII) |
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Term
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Definition
ORBICULARIS ORIS
ACTION
Narrows orifice of mouth, purses lips and puckers lip edges |
NERVE
Accessory parts are incisivus labii superioris and inferioris |
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Term
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Definition
ZYGOMATICUS MINOR
ACTION
Elevates and everts upper lip |
NERVE
Buccal branch of facial nerve (VII) |
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Term
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Definition
RISORIUS
ACTION
Retracts angle of mouth |
NERVE
Buccal branch of facial nerve (VII) |
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Term
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Definition
ZYGOMATICUS MAJOR
ACTION
Elevates and draws angle of mouth laterally |
NERVE
Buccal branch of facial nerve (VII) |
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Term
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Definition
MENTALIS
ACTION
Elevates and wrinkles skin of chin and protrudes lower lip |
NERVE
Mandibular branch of facial nerve (VII) |
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Term
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Definition
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BUCCINATOR
ACTION
Aids mastication, tenses cheeks in blowing and whistling, aids closure of mouth
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NERVE
Buccal branch of facial nerve (VII) |
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Term
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Definition
LATERAL PTERYGOID
ACTION
Depresses and protracts mandible to open mouth. Pulls forward cartilage of joint during opening of mouth. Aids in chewing. |
NERVE
Nerves to lateral pterygoid (anterior division of mandibular nerve (V)) |
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Term
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Definition
MASSETER
ACTION
Elevates mandible (enables forced closure of mouth) |
NERVE
Anterior division of mandibular nerve (V) |
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Term
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Definition
MEDIAL PTERYGOID
ACTION
Elevates the mandible and assits in closing the jaw. Aassits the lateral pterygoids in moving the jaw side-to-side. |
NERVE
Nerve to medial pterygoid (main trunk of mandibular nerve (V)) |
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Term
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Definition
TEMPORALIS
ACTION
Elevates mandible and posterior fibers retract |
NERVE
Deep temporal branches from anterior division of mandibular nerve (V) |
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Term
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Definition
PALATOGLOSSUS
ACTION
Elevates posterior tongue and closes oropharyngeal isthmus and aids initiation of swallowing |
NERVE
Pharyngeal branch of vagus nerve (X) with its motor fibers from cranial accessory nerve (XI) |
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Term
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Definition
GENIOHYOID
ACTION
Elevates and protracts hyoid bone. Depresses mandible |
NERVE
C1 fibers carried by hypoglossal nerve (XII) |
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Term
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Definition
STYLOGLOSSUS
ACTION
Retracts and elevates tongue, aids initiation of swallowing |
NERVE
Hypoglossal nerve (XII) |
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Term
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Definition
HYOGLOSSUS
ACTION
Depresses tongue |
NERVE
Hypoglossal nerve (XII) |
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Term
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Definition
GENIOGLOSSUS
ACTION
Protracts tongue |
NERVE
Hypoglossal nerve (XII) |
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Term
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Definition
INTRINSIC MUSCLE OF TONGUE
ACTION
- Superior longitudinal fibers: shorten the tongue.
- Inferior longitudinal fibers: shorten the tongue.
- Vertical fibers: flatten and widen the tongue.
- Transverse fibers: narrow and elongate the tongue.
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NERVE
Hypoglossal nerve (XII) |
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Term
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Definition
INFERIOR CONSTRICTOR
ACTION
Aids swallowing . Cricopharyngeus acts as upper esophageal sphincter |
NERVE
Pharyngeal plexus (IX, X and sympathetic) via pharyngeal branch of X with its motor fibers from cranial accessory (XI) |
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Term
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Definition
MIDDLE CONSTRICTOR
ACTION
Aids swallowing |
NERVE
Pharyngeal plexus (IX, X and sympathetic) via pharyngeal branch of X with its motor fibers from cranial accessory nerve (XI) |
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Term
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Definition
SUPERIOR CONSTRICTOR
ACTION
Aids swallowing |
NERVE
Pharyngeal plexus (IX, X and sympathetic) via pharyngeal branch of X with its motor fibers from cranial accessory (XI) |
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Term
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Definition
CRICOTHYROID
ACTION
Lengthens and tenses vocal cords by tilting thyroid cartilage forwards |
NERVE
External branch of superiorlaryngeal branch of vagus nerve (X) |
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Term
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Definition
DIGASTRIC (ANTERIOR VIEW)
ACTION
Elevates hyoid bone: Aids swallowing and depresses mandible |
NERVE
Anterior belly: mylohyoid nerve (V). posterior belly: facial nerve (VII) |
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Term
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Definition
LEVATOR VELI PALATINI
ACTION
Elevates, retracts and lateral deviates soft palate. May open auditory tube on swallowing |
NERVE
Pharyngeal branch of vagus nerve (X) with its motor fibers from cranial accessory nerve (XI) |
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Term
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Definition
TENSOR VELI PALATINI
ACTION
Tenses soft palate prior to elevation |
NERVE
Nerve to medial pterygoid (main trunk of mandibular nerve (V)) |
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Term
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Definition
M. UVULAE
ACTION
Shapes uvula |
NERVE
Pharyngeal branch of vagus nerve (X) with its motor fibers from cranial accessory nerve (XI) |
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Term
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Definition
MYLOHYOID
ACTION
Elevates hyoid bone, supports and raises floor of mouth. Aids in mastication and swallowing |
NERVE
Mylohyoid nerve (V) |
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Term
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Definition
OMOHYOID
ACTION
Depresses hyoid bone and hence larynx |
NERVE
Ansa cervicalis nerve (C1,2,3) |
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Term
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Definition
OBLIQUE ARYTENOID
ACTION
Adducts arytenoid cartilages (closes rima) |
NERVE
Recurrent laryngeal branch of vagus nerve (X) |
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Term
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Definition
POSTERIOR CRICOARYTENOID
ACTION
Abducts and laterally rotates arytenoid cartilage (opens rima glottidis) |
NERVE
Recurrent laryngeal branch of vagus nerve (X) |
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Term
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Definition
TRANSVERSE ARYTENOID
ACTION
Adducts arytenoid cartilage (closes rima glottidis) |
NERVE
Recurrent laryngeal branch of vagus nerve (X) |
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Term
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Definition
ARYEPIGLOTTICUS
ACTION
Aids closure of additus of larynx
NERVE
Recurrent laryngeal branch of vagus nerve (X) |
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Term
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Definition
PALATOPHARYNGEUS
ACTION
Elevates pharynx and larynx . Closes nasopharyngeal isthmus in swallowing |
NERVE
Pharyngeal branch of vagus nerve (X) with its motor fibers from cranial accessory nerve (XI) |
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Term
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Definition
SALPINGOPHARYNGEUS
ACTION
Elevates pharynx and larynx and aids swallowing . Opens auditory canal during swallowing |
NERVE
Pharyngeal branch of vagus nerve (X) with its motor fibers from cranial accessory nerve (XI |
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Term
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Definition
PLATYSMA
ACTION
Depresses and wrinkles skin of lower face and mouth. Aids forced depression of mandible |
NERVE
Cervical branch of facial nerve (VII) |
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Term
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Definition
STERNOHYOID
ACTION
Depresses hyoid bone and hence larynx |
NERVE
Ansa cervicalis nerve (C1, 2, 3) |
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Term
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Definition
THYROHYOID
ACTION
Elevates larynx or depresses hyoid bone |
NERVE
C1 fibers carried by hypoglossal nerve (XII) |
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Term
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Definition
STERNOTHYROID
ACTION
Depresses larynx |
NERVE
Ansa cervicalis nerve (C1, 2, 3) |
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Term
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Definition
STYLOHYOID
ACTION
Elevates and retracts hyoid bone. Aids swallowing and elevates larynx |
NERVE
Mandibular branch of facial nerve (VII) |
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Term
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Definition
STYLOPHARYNGEUS
ACTION
Elevates larynx and pharynx . Aids swallowing |
NERVE
Muscular branch of glossopharyngeal nerve (IX) |
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Term
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Definition
THYRO-EPIGLOTTICUS & VOCALIS
ACTION
Aids closure of additus to larynx |
NERVE
Recurrent laryngeal branch of vagus nerve (X) |
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Term
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Definition
THYRO-ARYTENOID & VOCALIS
ACTION
Shortens and relaxes vocal cords by medial rotation and protraction of arytenoid cartilage |
NERVE
Recurrent laryngeal branch of vagus nerve (X) |
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Term
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Definition
LATERAL CRICOARYTENOID
ACTION
Adducts and medially rotates arytenoid cartilage (closes rima glottidis) |
NERVE
Recurrent laryngeal branch of vagus nerve (X) |
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