Radiology Flashcards
What are some neuroimaging techniques
plain x-rays
CT scan - much more common
MRI
cerebral angiography
myelography
nuclear medicine
When and how are CT scans used?
How much ionising radiation is in MRI?
NONE
What is the point of having MRIs at stronger teslas? e.g. 3 instead of 1.5
Higher teslas give a higher resolution so greater detail
What comes out through the foramen magna?
Medulla
What is the meaning of …
Prosencephalon?
Mesencephalon?
Rhombencephalon?
forebrain (contains telencephalon and diencephalon)
Midbrain
Hindbrain (contains…)
What is the sylvian fissure?
Temporal fissure
What is the biggest lobe of the brain?
Frontal lobe
What is the second biggest lobe in the brain?
Temporal lobe
How does CSF adjust when the heart contracts?
Moves temporarily into the spinal cord which is much more elastic
What are the basal ganglia?
That spiral structure in the middle of the brain
Involved in movement and coordination
How much of the cardiac output goes to the brain?
20%
White matter fibre tracts?
communication between different parts of the brain e.g. corpus callosum for 2 hemispheres
What are the parts of the corpus callosum?
Rostrum
GU
sp
Parts of the brain I need to learn about?
Mamaxillary bodies
basal ganglia
Limbic system
corpus callosum
Hyptholamus and thalamus
Cerebral peduncles - big fibre bundles at the front of the midbrain
