Anatomy 16 - Anatomy and Histology of the Nervous System Flashcards
Nerves that take information to the brain are known as
Afferent nerves
Nerve that take informatoin from the brain are known as
Efferent nerves
What is the nervous system composed of
The central nervous system and the periperal nervous system
What is the function of the nervous system
To control and coordinate the function of organ systems
What are the three membranous layers that cover the brain
The pia mater, the arichnoid mater and the dura mater
What are the three membranous lyaers that cover the brain known as
The meninges
What surrounds and protects the CNs
The meninges and the ceribrospinal fluid
What is the innermost meningal covering
The pia mater
What is the middle meningal covering
The arichnoid mater
What is the outermst meningal covering
The dura mater
What is the dura mater intimately related to
The internal aspect o the bone surrounding the neurocranium
What separates the dura mater from the surrounding bone in the vertebral column
A fat filled epidural space
What are the main arteries that supply the brain
The common carotid, external carotid, internal carotid and vertebral arteries
What is formed when the vertebral arteries join
The basilar artery
What arteries come from the bifurcation of the basilar artery
The anterior and middle cerebral arteries
What arises from the external carotid artery
the middle meningeal artery
Where does the middle meningeal artery enter the skull
Through the foramen spinosum
What drains blood from the brain
The dural venous sinuses
Where do the dural venous sinuses drain blood into
The internal jugular vein
What veins drain the head
The anterior jugular, external jugular, internal jugular, vertebral and retromandibular veins
What are the brain and spinal cord composed of
Grey matter and white matter
Where are the nerve cell bodies found
Within the grey matter
Where are the interconnecting fibre tract systems found
Within the white matter