Flashcards in Session 1: Cranium, Meninges and Brain Deck (59)
What is another name for the facial skeleton?
What are the two parts of the cranium?
Vault and Base
Name all the cranial bones.
Frontal, Parietal, Temporal, Occipital, Sphenoid, Ethmoid
Name all the facial bones.
Mandible, Maxilla, Zygomatic, Nasal, Lacrimal, Inferior Nasal Concha, Vomer, Palatine
What are the gaps between the bones in the skull during development called?
What is the shape of the sphenoid bone and what its two parts?
Butterfly shaped – it has a greater and lesser wing
Which bone has the upper teeth attached to it?
What is another name for the conchae and what is their role?
Turbinate Bones – they increase the surface area of the upper respiratory tract
What are the tough fibrous joints between bones in the skull called?
Give an example of a synovial joint within the skull.
Give the names of the sutures between a) frontal and parietal bones, b) parietal bones and c) parietal and occipital bone.
What is the name given to the point at which the sagittal suture meets the coronal suture?
What is the name given to the point at which the sagittal suture meets the lambdoid suture?
What are the three parts of the ethmoid bone?
Middle Nasal Concha
What is the name of the hole in the mandible through which a branch of the inferior alveolar nerve and vessels pass?
What are the two foramina found above and below the orbit?
What is the name of the midline notch just below the nose?
Anterior Nasal Spine
Which bones form the medial part of the orbit?
Orbital plate of ethmoid
Frontal process of maxilla
Lesser wing of sphenoid
What are the parts of the temporal bone?
Tympanic (external acoustic meatus)
What part of the mandible that protrudes under the zygomatic bone?
What part of the mandible advances towards the tempero-mandibular joint?
What is the name of the flat part of the occipital bone?
What is the name of the suture between the occipital and temporal bones?
What are the two horizontal ridges found on the occipital bone?
Superior and Inferior Nuchal Lines
What is the midline protrusion of the occipital bone called?
External Occipital Protuberance
What is the name given to the highest point of this protrusion?
What is the name of the ridge that goes from the external occipital protuberance downwards to the foramen magnum?
External Occipital Crest
How can the cranial base be divided?
Anterior, Middle and Posterior Cranial Fossae
Which layer of the meninges goes in and out of the sulci?