Sulcus and Fissures Flashcards

1
Q

Runs downward and forward across lateral aspect of
the hemisphere and its lower end is separated from
posterior ramus of lateral sulcus

A

Central Sulcus (of Rolando)

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2
Q

Sulcus vs fissure vs gyrus

A

Sulcus - shallow
fissure - deep depression
gyrus - elevation

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3
Q

Separates parietal (sensory cortex) and frontal lobe
(motor cortex)

A

Central Sulcus (of Rolando)

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4
Q

Deep cleft found on the inferior and lateral surfaces of
the cerebral hemisphere. It consists of a short stem
that divides into 3 rami

A

Lateral (Sylvian) Sulcus

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5
Q

Divides frontal and parietal to temporal lobe

A

Lateral (Sylvian) Sulcus

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6
Q

Begins on the superior medial margin of the
hemisphere about 2 in. anterior to the occipital pole. It
passes downward and anteriorly on the medial
surface to meet the calcarine sulcus

A

Parieto-occipital Sulcus

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7
Q

Divides parietal and occipital lobe

A

Parieto-occipital Sulcus

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8
Q

Found on the medial surface of the hemisphere. It
starts under the posterior end of the corpus callosum
and arches upward and backward to reach the
occipital pole. It is joined at an acute angle by
parieto-occipital sulcus about half-way along its
length.

A

Calcarine Sulcus

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9
Q

Divides two occipital lobes

A

Calcarine Sulcus

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10
Q

Divides the brain into symmetrical left and right cerebral hemispheres or two parietal lobes

A

Longitudinal Fissure

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11
Q

longitudinal fissure contains the

A

falx cerebri, the anterior cerebral arteries, and the
corpus callosum.

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