Cranium and Branium Flashcards
What are the 8 bones of the cranium?
Parietal (2), frontal, ethmoid, sphenoid, occipital, and the temporal (2)
What bones are in the anterior cranial fossa?
Frontal bone, ethmoid bone, and sphenoid bone
What bones are in the middle cranial fossa?
Sphenoid and the temporal
What bones are in the posterior cranial fossa?
Occipital and temporal bone
What are the two portions of the Ethmoid bone?
Horizontal portion and vertical portion
Where is the horizontal portion of the ethmoid bone?
Fits into ethmoid notch of frontal bone, contains foramina for passage of olfactory nerves
Where is the vertical portion of the ethmoid bone?
Porjects from cribriform plate to form nasal septum
Does a cephalohematoma cross sutures?
No
What are the 3 types of scalp hematomas?
Caput Succedaneum, Subgaleal Hematoma, Cephalohematoma
What are the 4 sutures of the cranium?
Squamous suture, coronal suture, sagittal suture, lambdoidal suture
What are the 7 fontanels?
Anterior Fontanel, Posterior Fontanel, Anterolateral (2), Posterolateral (2)
When does the anterior fontanel close?
Age 2
When does the posterior fontanel close?
b/w 1-3 months
When does the anterolateral fontanel close?
b/w 1-3 months
When does the posterolateral fontanel close?
2 yrs