MSK 1 Flashcards
Label the bones of the skull
boney case of the brain and cranial meninges. Dome-like roof, the calvaria (skullcap), and floor or cranial base (basicranium)
Neurocranium (cranial vault)
What makes up the cranium
15 irregular bones form the cranial base; 6 paired bones occuring bilaterally form the calvaria
the are of junction of four bones within the temporal fossa
pterion
facial skeleton
viscerocranium
Lable the bones of the posterior and superior aspects of the cranium
Lable the bones of the cranial base
What are the branches of the trigeminal nerve?
V1 opthalmic nerve
V2 maxillary nerve
V3 mandibular nerve
What does the Foramen rotundum contain?
maxillary never (CNv1)
What does the Foramen Ovale contain?
mandibular nerve (CN V3) and accessory meningeal artery
What does the foramen spinosum contain?
middle meningeal artery and vein and meningeal branch og CN V3
What does the foramen lacerum contain?
Internal carotid artery and its accompanying sympathetic and venous plexuses
What does the foramen magnum contain?
medulla, meninges, vertebral arteries, CN Xl, dural veins, anterior and posterior spinal arteries
What does the Jugular foramen contain?
CN lX, X, XI, superior bulb of internal jugular vein; inferior petrosal and sigmoid sinuses; and meningeal branches of ascending pharyneal and occipital arteries
What does the foramen cecum contain?
Nasal emissary vein
What does the hypoglossal canal contain?
hypoglossal nerve (CN XII)
Explain what occurs in the fracture of the cranium
What occurs in the fracture of orbit?
What are the four sinuses?
- frontal sinus
- ethmoidal sius
- sphenoid sinus
- maxillary sinus
Label the anterior posterior radiograph
What is the TMJ and label its parts?
What occurs during a TMJ dislocation?
What are the layers of the scalp?
What occurs during scalp injuries and infections?
What are the meningial layers?
What are dural venous sinuses?
What occurs to the dural sinuses during metastasis of tumor cells?
What are the dural venous sinuses of the cranial base?
What are the cavernous sinuses?
What occurs during fractures of the cranial base?
Identify the major structures on the MRI?