Skeletal System - Oral Biology 1

These flashcards cover key concepts from the skeletal system, particularly focusing on the bones of the skull and their functions as discussed in class.

How many total skull bones are there?

22 skull bones (8 cranial + 14 facial).

What bone forms the base and back of the cranium?

Occipital bone.

What bone forms the forehead and part of the nasal cavity?

Frontal bone.

Which bones help form the roof and upper sides of the skull?

Parietal bones.

What is the common name for the zygomatic bones?

Malar bones.

Which bone is the only movable bone of the skull?

Mandible.

What structure is found at the junction of the frontal bone and parietal bones?

Coronal suture.

Which cranial bone has a bat-like shape?

Sphenoid bone.

What are the smallest and most fragile bones in the skull?

Lacrimal bones.

What is the name of the joint formed by the temporal bone and mandible?

Temporomandibular joint (TMJ).

What bone forms the lower part of the nasal septum?

Vomer.

Which facial bone does not touch the maxilla?

Mandible.

Which cranial bone articulates with all other cranial bones?

Sphenoid bone.

What are the three projecting structures that make up the lateral nasal wall?

Inferior nasal conchae, superior nasal conchae, and middle nasal conchae.

What is the foramen located below the lower rim of the orbit called?

Infraorbital foramen.

What structure serves for attachment for layers covering the brain in the ethmoid bone?

Crista Galli.

What two bones are considered to be the single bones of the face?

Vomer and mandible.

What is the function of the inferior nasal conchae?

To increase the surface area of the nasal cavity.

What is the mandibular symphysis?

The junction at the midline of the mandible.

What is the term for an oval prominence involved in joints?

Condyle.

What is the definition of a foramen?

A short window-like opening in the bone.