Chapter 11: The Skull (Question)

The maxillae and the palatine bone

What two pairs of bones make up the hard palate?

The palatine process of the maxillae and the horizontal plates of the palatine bones

What two pairs of sutures make up the hard palate?

Holes are necessary so that blood vessels and nerves may enter and exit the skull

In general terms, why is it important for at least some of the cranial bones to have holes?

A sinus headache

The frontal and maxillary sinuses, along with sinuses in the ethmoid and sphenoid bones, collectively from the paranasal sinuses. What painful condition results when the passages from these sinuses into the nasal cavity are blocked?

Sagittal Suture - Left/Right Parietal Bones Coronal Suture- Frontal/Parietal Bones Lambdoidal Suture- Occipital/Parietal Bones Squamous Suture- Temporal/Parietal Bones

What are four sutures that involve the parietal bone? List the four sutures, and for each one name the other bone involved in the articulation.

The hyoid bone forms a base of attachment for the tongue. It also serves as an attachment site for muscles involved in swallowing.

What is one function of the hyoid bone?

To transmit vibrations (sound) from the eardrum to the inner ear

What is the collective function of the auditory ossicles?

The zygomatic process of the temporal bone

With what structure does the temporal process of the zygomatic bone articulate?