Mandible - Landmarks, functions, attachments Flashcards by Catherine Ard

Q

Which surface is this?

A

The external surface of the mandible

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Q

What attaches to the external surface of the mandible? (2)

A

depressor anguil oris & platysma m.

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Q

What is the name of this landmark?

A

Mental foramen (on external surface of mandible)

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Q

What is the function of the mental foramen?

A

It transmits the mental nerve, artery, and vein

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Q

What is the name of this landmark?

A

Incisive fossa (of mandible)

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Q

What attaches to the incisve fossa?

A

Mentalis muscle

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Q

Name this area

A

Base of mandible

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Q

Name this landmark

A

Digastric fossa

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Q

What attaches at the digastric fossa?

A

Anterior digastric muscle

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Q

Name this area of the mandible

A

Alveolar part (on external surface)

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Q

What are the functions and attachments of the alveolar part of the mandible?

A

Function: houes roots of teeth

Attachment: buccinator muscle

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Q

Name this surface of the mandible

A

Internal Surface

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Q

Name this landmark

A

Mylohyoid line

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Q

What attaches at the mylohyoid line?

A

Mylohyoid muscle

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Q

Name this landmark

A

Submandibular fossa

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Q

What is the function of the submandibular fossa?

A

It houses the submandibular gland

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Q

Name this landmark

A

Sublingual fossa

Q

What is the function of the sublingual fossa?

A

It houses the sublingual gland.

Q

What are the names of these landmarks? (There are two of them here, I could not find separate images)

A

Superior and inferior genial tubercles (aka superior and inferior mental spines)

Q

What attaches to the superior genial tubercle?

A

Genioglossus muscle

Q

What attaches to the inferior genial tubercle?

A

Geniohyoid muscle

Q

Name this landmark

A

Mylohyoid groove

Q

What is the function of the mylohyoid groove?

A

It houses the mylohyoid nerve

Q

Name this area of the mandible

A

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