Frontal, Parietal, Temporal, and Auditory Ossicles Facts

Osteology

How many bones are in the head? (Including 6 ear Ossicles)

28

When does the Metopic suture fuse?

2-4 years old

What is a common thing on the superciliary arch?

Your eyebrows

The frontal boss/eminence is a

Primary Ossification Site

What do the Orbital plates/ pars orbitalis do?

Separate the brain from the eyes

What do the Arachnoid Fovae feel like to touch?

Pits

The parietal bone has how many intramembranous sites?

2

Thin parietal bones because of water on the brain

Hydrocephaly

The only bone in the cranial vault with a foramen

Parietal

The sphenoid angle points

toward the face (or where you would wear glasses)

The temporal bone is the only bone to

articulate with the mandible

Does the temporal bone have endochondral sites, or intramembranous sites?

Both

What is rarely seen in archeology?

The styloid process

In men, the zygomatic process is

thicker

In women, the zygomatic process is

thinner

In women, the mastoid process is

Smaller

In men, the mastoid process is

larger

When do you form auditory ossicles?

9-15 weeks gestation