Osteology Flashcards
How do the bones in the neurocranium form?
Calvaria intermembranous ossification, floor endochondral ossification
What are the anterior and posterior joints of the calvaria called?
Anterior = Bregma, posterior = Lambda
What is a fontanelle?
Large area of unossified membranous gaps between flat bones of calvaria
Which bones form the anterior cranial floor?
Frontal bone & Ethmoid bone
Linear vs Comminuted skull fractures?
Linear have no displacement, comminuted have many fracture lines and may be depressed or non-depressed
Describe the TMJ joint
Synovial hinge-type joint divided in two by fibrocartilaginous disc. Innervated by auriculotemporal nerve
What causes dislocation of the TMJ?
When the mandibular condyle is in front of the articular tubercle