Brain Flashcards
What structure separates the precentral and post central gyri?
Central sulcus
What is the name for a groove in the structure of the brain?
Sulcus
What is the name for a fold of the brain?
Gyrus
What structures separates the frontal and temporal lobes of the brain?
Lateral sulcus
What is the name of the somatotropic ‘body map’ which exists in the precentral gyrus?
Motor hommunculus
What is the name of the somatotropic ‘body map’ which exists in the post central gyrus?
Sensory hommunculus
In which hemisphere of the brain is Broca’s area usually found?
Left hemisphere
Where in the brain is Broca’s area located?
(Usually left) inferior frontal gyrus
What are the two parts of the inferior frontal gyrus of the brain?
Pats opercularis
Pats triangularis
Wernickes area is found in the dominant hemisphere of the brain. Which hemisphere is this in most people?
Left
Which two nuclei comprise the lentiform/lenticular nucleus?
Putamen
Globes pallid is
Which nuclei of the basal ganglia is primarily affected by Parkinson’s disease?
Substantial Nigra
What structures makes up the corpus striatum of the brain?
Caudate nucleus, putamen and globus pallid is
Which nuclei of the brain make up the basal ganglia?
Caudate nucleus Putamen Globus pallidus Thalamus Substantial nigra
What is the function of the basal ganglia?
Influencing motor activity and motor control
What are the names of the four ventricles of the brain?
Left and right lateral ventricles
Third ventricle
Fourth ventricle
Which ventricle of the brain is located posterior to the pond and anterior to the cerebellum?
Fourth ventricle
Where in the brain is the CSF produced?
Choroid plexus within the ventricular system
What is the name of the white mater structure which carries motor and sensory information past the basal ganglia to the cerebral cortex?
Internal capsule
What is the name of the white matter structure which connects the two hemispheres of the brain?
Corpus callous
What are the four parts of the corpus callous in order from most anterior to most posterior?
Rostrum
Genu
Body
Splenium
What is meant by somatotropin of the brain?
The point for point correspondence of an area of the body to a specific point on the CNS
What is the name of the continuation of the internal capsule past the basal ganglia?
Corona radiata
What is the name of the white mater bundle which lies lateral to the lentiform nucleus?
Claustrum
Where is the insular cortex located?
Immediately lateral to the claustrum and lentiform nucleus
The corticobulbar axons exist at the most medial point of the genu. What nerves do these axons innervate?
Cranial nerves
What is the name of the anastomoses which supplies the brain?
Circle of Willis