Ossicles #2

Question 1

List the structures of the malleus.

Answer 1

• Head
• Neck
• Manubrium
• Lateral process
• Anterior process

Question 2

Describe the head of the malleus.

Answer 2

• Bulb shaped
• Extends into the epitympanic space

Question 3

Describe the neck of the malleus.

Answer 3

• Constriction located between the manubrium and the head of the malleus

Question 4

What is another name for the manubrium of the malleus?

Answer 4

• Handle

Question 5

List 2 details of the manubrium of the malleus.

Answer 5

• Embedded into the tympanic membrane
• The tip of the manubrium coincides with the umbo of the tympanic membrane

Question 6

Where does the lateral process (of the malleus) attach?

Answer 6

• Attaches to the upper portion of the tympanic membrane

Question 7

Attachment detail and location detail for the Anterior process (of the malleus)

Answer 7

• Provides point of attachment for the anterior malleolar ligament
• Located between the manubrium and the head

Question 8

How does the incus articulate?

Answer 8

• Articulates with both the malleus and the stapes

Question 9

List the structures of the incus.

Answer 9

• Short process (crus breve)
• Long process (crus longum)
• Lenticular process
• Malleolar facet