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To apply the knowledge of fissures to define the major cerebral lobes. • To recognise all the major surface cerebral sulci and gyri. • To list the frequency of ...
Typology: Study notes
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Department of Radiology
St. Joseph’s Healthcare
McMaster University
Hamilton, Ontario, Canada
Frontal
Parietal
Occipital
cranial bonesdescribe theused to firstAbove terms
Frontal
Parietal
Occipital
Temporal
Insular
Ya
ş
argil
Frontal
Parietal
Occipital
Temporal
Insular
Limbic
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Occipital and Temporal lobesidentifying the Frontal, Parietal,This presentation is restricted to
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the superomedial border of the cerebral hemisphere) with the preoccipital notchParietotemporal line : An imaginary line that connects the point of emergence of the parietooccipital sulcus (on
interhemispheric fissure. On the top brain slices identify the
This is theinterhemispheric fissure anteriorly.Find a sulcus running parallel to the
superior frontal
sulcus.
precentral sulcus. runs perpendicular to it. This is theposteriorly until it joins a sulcus thatFollow the superior frontal sulcus
the precentral sulcus Is theThe sulcus posterior and parallel to
central
sulcus.
Find the
brackets.
Postcentral sulcus is
bifid.
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theOn the top brain slices identify
interhemispheric fissure.
obliquely –running parallel or slightlyPosteriorly find a sulcus that is
interparietal
fissure.
it. This is thesulcus running perpendicular toanteriorly where it intersects aFollow the interparietal fissure
postcentral
sulcus.
central sulcus. to the postcentral sulcus is theThe sulcus immediately anterior
Find the Confirming
Up Side Down
Omega
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Ω
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POSTERIOR PARIETAL LOBEand hence is in theThis lesion is in front of the sulcifrom the Parietal lobe.that separates the Occipital lobe This is the Parietooccipital sulci
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PARIETAL LOBEfissure and hence is in theThis lesion is superior to thefrom the Parietal lobe.separates the Temporal lobe This is the Sylvian fissure that