Lecture 3: Coverings of the Brain Flashcards
What is the purpose of the meningeal membrane
to protect and support the CNS
Name the three layers that make up the meningeal layer
Dura mater, arachnoid mater and pia mater
What is the function or the dura mater
covers the inner surfaces of the skull bones in order to protect the brain and spinal cord from external trauma or infections
What is the function of falx cerebri
sickle shaped tough dural fold that stabilizes the brain.
what is the function of Arachnoid mater
stretches between dura and pia - filters CSF from dura to pia mater
What is the function of Pia Mater
very thin - follows the contours of the brain and aids in the production of CSF
What is the function of CSF
provides protection by cushioning the brain and spinal cord, protecting them from damage caused by sudden head movements or trauma
Name the two major bones of the skull and where its located
cranium (top half of the skull) and mandible (bottom jaw)
Define Cranial Sutures
a fibrous band of tissue that connect the bones of the skull
Name the main bones in the skull
frontal, parietal, temporal, occiptal and sphenoid
name the suture that connects the frontal and parietal bones
Coronal suture
name the suture that connects the two parietal bones
sagittal suture
name the suture that connects the occipital bone to the two parital bones
lambdoid suture
what is the name of the big hole in the skull where the spinal cord goes through
foramen magnum
what is the maxilla
the hard bone at the roof of the mouth
