Neuroanatomy Flash Cards-1

What are the names of principal gyri of frontal lobe?

What are the names of principal gyri of frontal lobe?
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Frontal lobe is made up of four principal gyri: precentral, superior frontal, middle frontal, and inferior frontal.

Pyramidal cells are found in which areas of the brain ?

Pyramidal cells are found in which areas of the brain ?
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Pyramidal cells, or pyramidal neurons, are a type of multipolar neuron found in areas of the brain including the cerebral cortex, the hippocampus, and the amygdala

What is the 'motor strip' called?

What is the 'motor strip' called?
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The precentral gyrus lies just anterior to the central sulcus - is called motor strip

What is Broca's area ?

What is Broca's area ?
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Broca's area is responsible for speech

What is Sylvian fissure?

What is Sylvian fissure?
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Sylvian fissure is a laterally located horizontal fissure and separates the temporal lobe from the frontal and parietal lobe. This is also called as The lateral fissure.

Broca's area is present in which location?

Broca's area is present in which location?
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Left inferior frontal gyrus
Broca's area is not present in both hemispheres. Instead, it is within the inferior frontal gyrus of the dominant hemisphere.
The dominant hemisphere, in most individuals, is the left hemisphere. Therefore, Broca's area is most commonly present in the left inferior frontal gyrus.

Brodmann area ------------ refers to the primary motor cortex of the human brain.

Brodmann area ---------------refers to the primary motor cortex of the human brain.
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Brodmann area 4 refers to the primary motor cortex of the human brain.

Precentral gyrus

Precentral gyrus is also known as --------
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Motor strip or primary motor cortex - Responsible for executing voluntary movements.

What is the 'sensory strip'?

What is the 'sensory strip'?
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Motor strip is responsible for movement - frontal lobe. Sensory strip is responsible for all sensations -parietal lobe

Which cells are the primary excitation units of the prefrontal cortex and the corticospinal tract?

Which cells are the primary excitation units of the prefrontal cortex and the corticospinal tract?
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Pyramidal cells, or pyramidal neurons

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