Mandible - Landmarks, functions, attachments Flashcards
Which surface is this?
The external surface of the mandible
What attaches to the external surface of the mandible? (2)
depressor anguil oris & platysma m.
What is the name of this landmark?
Mental foramen (on external surface of mandible)
What is the function of the mental foramen?
It transmits the mental nerve, artery, and vein
What is the name of this landmark?
Incisive fossa (of mandible)
What attaches to the incisve fossa?
Mentalis muscle
Name this area
Base of mandible
Name this landmark
Digastric fossa
What attaches at the digastric fossa?
Anterior digastric muscle
Name this area of the mandible
Alveolar part (on external surface)
What are the functions and attachments of the alveolar part of the mandible?
Function: houes roots of teeth
Attachment: buccinator muscle
Name this surface of the mandible
Internal Surface
Name this landmark
Mylohyoid line
What attaches at the mylohyoid line?
Mylohyoid muscle
Name this landmark
Submandibular fossa
What is the function of the submandibular fossa?
It houses the submandibular gland
Name this landmark
Sublingual fossa
What is the function of the sublingual fossa?
It houses the sublingual gland.
What are the names of these landmarks? (There are two of them here, I could not find separate images)
Superior and inferior genial tubercles (aka superior and inferior mental spines)
What attaches to the superior genial tubercle?
Genioglossus muscle
What attaches to the inferior genial tubercle?
Geniohyoid muscle
Name this landmark
Mylohyoid groove
What is the function of the mylohyoid groove?
It houses the mylohyoid nerve
Name this area of the mandible
Mandibular ramus
Name this landmark of mandible
Angle
What attaches to the angle of the mandible (2 muscles)?
Masseter and medial pterygoid muscles (masseter is superficial and medial pterygoid is deep)
Name these landmarks of mandible
Mandibular foramina
What is the function of the mandibular foramen?
Transmits the inferior alveolar nerve, artery, and vein
Name this landmark. (Hint: it is what the nerve in this picture is running through)
Mandibular canal
What is the function of the mandibular canal?
It houses the inferior alveolar nerve, artery, and vein within the ramus and body of mandible.
Name this landmark of mandible
Lingula
What attaches to lingula of mandible?
Sphenomandibular ligament
Name this landmark
Oblique line (on anterior border of mandible).
What attaches at the oblique line?
Depressor labii inferioris
Name this landmark
Coronoid process
What attaches to the coronoid process?
Temporalis muscle
Name this landmark
Mandibular (sigmoid) notch
What is the function of the mandibular notch?
It transmits the nerve and artery to the masseter muscle.
Name this area of the mandible
Condylar process
What are numbers 1 and 2 in the picture?
Neck and head of the mandible. Note: head has a medial pole and a lateral pole.
Name this landmark.
Pterygoid fovea
What attaches to the pterygoid fovea?
Lateral pterygoid muscle
