general term for any prominence on a bony surface
Large, often rough prominence on the surface of bone
Tubercle or rounded elevation on a bony surface
Roughened border or ridge on the bone surface
Depression on a bony surface
Short, windowlike opening in a bone
Opening in bone that is long, narrow and tubelike
Opening or canal in bone
Small opening in bone
Opening or orifice in bone
Area where bones are joined to each other
Median Palatine Suture
What suture divides the palatine bones from right and left portions?
Transverse Palatine Suture
What suture divides the palatine bones from the maxillary bone?
Bones of the Cranium
Inferior nasal conchae
The 4 paranasal Sinuses
3 Functions of Sinuses
Serve to lighten the skull bone
Acts as a sound resonator
Provide mucus for the nasal cavity
4 Muscles of Mastication
masseter and lateral pterygoid
Which muscles of mastication have 2 heads
Which muscle of mastication is responsible for depressing the mandible?
Which muscles assist in mastication and swallowing?
What are the suprahyoid muscles?
What are the infrahyoid muscles?
What are the 3 extrinsic tongue muscles?
What are the paired bones of the cranium?
larger anterior opening of the spenoid bone
Which muscles are responsible for elevating the hyoid bone and depressing the mandible?
Which muscle compresses the cheeks during chewing, assisting the muscles of mastication?
Function of Genioglossus
protrudes tongue, and depresses portions
Functions of Styloglossus
Functions of hyoglossus
What is the most powerful closer of the mandible?
a muscular tube that connects the respiratory tract with the digestive tract.
it also connects to the nasal and oral cavities.
The 3 pharynx are
Muscles of the soft palate
Levator Veli palatini muscle
Tensor Veli palatine muscle
What do the muscles of the pharynx do?
Assist in speaking, swallowing and functions of the middle ear.
Muscles of the Pharynx
Pharyngeal constrictor muscles- superior, middle and inferior
What is the only freely moving bone in the skull?
What are the 2 movements of the TMJ?
Gliding- allows mandible to move forward and backward
Gliding + rotation= allows elevation and depression of mandible
What muscle allows bending and rotating of the neck?
What muscle is used to shrug your shoulders?
What muscle raises eyebrows and scalp, surprised expression?
Orbicularis Oculi muscle
What muscle closes the eye?
What muscle draws eyebrows down for a frown?
Orbicularis Oris muscle
What muscle presses lips together, pursing lips, grimacing, pouting and kissing?
What muscle stretches the lips?
Levator Labii Superioris muscles
What muscle raises the upper lip?
Levateor Labii Superioris Alaeque Nasi
What muscle elevates upper lip and dilates nostrils as in a sneering expression?
Zygomaticus Major muscle
What muscle elevates angle of upper lip up and pulls it laterally as in smiling?
Zygomaticus Minor muscle
What muscle assists in smiling?
Depressor Anguli Oris muscle
What muscle is used for frowning?
Depressor Labii Inferioris muscle
What muscle depresses lower lip?
What muscle raises chin, causing lower lip to protrude thereby narrowing oral vestibule?
What muscle raises the skin of the neck to form noticeable vertical and horizontal ridges and depressions? Also can pull the corner of mouth down, in a grimace.
What is the resting position of the TMJ?
What muscles close the jaw?
What is TMD?
joint tenderness, swelling, muscle spasms, limited opening, joint noise/pain history of subluxation
What is subluxation?
It is when the head of each condyle moves too far anteriorly on the articular eminence.
How do you treat subluxation?
Relax the muscles and carefully move the mandible downward and back.
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