Head Anatomy Flashcards
What kind of joints are skull sutures?
Fibrous Joints
What form of ossification forms the bones of the skull
Intramembranous Ossification
What is the function of the skull?
To protect the brain, meninges and cerebral vasculature
What is the calvarium made up of?
Frontal, occipital and two parietal bones
What makes up the cranial base?
Frontal, sphenoid, ethmoid, occipital, parietal and temporal bones.
What part of the bone houses red marrow?
Diploe
What does the sagittal suture fuse?
right and left parietal bones
What does the coronal suture fuse?
Frontal and parietal bones
What does the lambdoid suture fuse?
occipital, left and right parietal, temporal bones
What bone is the occipital protuberance part of?
Occipital bone
What bone is the mastoid process a part of?
Temporal bone
What bones is the zygomatic arch made up of?
Zygomatic and temporal
The styloid process is a part of which bone?
Temporal bone
The occipital condyles are a part of which bone?
Occipital bone
Identify the largest foramen within the posterior cranial fossa?
The foramen magnum
What passes through the foramen magnum?
Meninges and spinal cord, the right and left vertebral arteries
Where are ear ossicles found?
The petrous part of the temporal bone
The base of the cranium is articulated at the TMJ by which bone?
The Mandible
The upper bone and hard palate are made up of which bones?
The palatine and maxillary bones
Which bone forms the posterior aspect of the nasal septum?
The vomer
Name the 5 layers of the scalp
Skin, Connective Tissue (dense), Aponeurosis, Loose Connective Tissue, Pericranium
What muscle does the aponeurosis of the scalp connect?
The anterior and posterior bellies of the occipitalfrontalis
The branches of what nerves supply the anterior part of the scalp?
Trigeminal nerve (opthalmic, maxillary and mandibular branches of this nerve supply the scalp)
What nerves supply the posterior half of the scalp?
Posterior rami of the cutaneous branches of C2 and C3
