Exam 2- week 7 ppt 1 Cerebral Hemispheres Superficial Features

Question 1

Cerebral Cortex: gross anatomy

divided into ___ and ___

Answer 1

Gyri and Sulci

Question 2

Cerebral Cortex: patterns of cerebral organization form a cellular perspective

Answer 2

~cells and cortical layers
~cortical columns
~Brodmann’s areas

Question 3

Gyri and Sulci- Lateral surfaces

Which are vertically oriented? (5)

Answer 3

~Central Sulci
~Precentral gyrus
~Precentral sulcus
~Postcentral gyrus
~Postcentral sulcus

Question 4

Gyri and Sulci- Lateral surfaces

Which are horizontally oriented? (14)

Answer 4

~Prominent lateral sulcus
~superior frontal gyrus
~middle frontal gyrus
~inferior frontal gyrus
~superior frontal sulcus
~inferior frontal sulcus
~pars orbitalis (part of inferior gyrus)
~pars triangularis (part of inferior gyrus)
~pars opercularis (part of inferior gyrus)
~Superior temporal gyrus
~middle temporal gyrus
~inferior temporal gyrus
~ superior temporal sulcus
~inferior temporal sulcus

Question 5

Gyri and Sulci- Lateral surfaces

Which are located in parietal cortex?

Answer 5

~Superior parietal lobule
~Inferior parietal lobule
~Supramarginal gyrus (inferior parietal lobule)
~Angular gyrus (inferior parietal lobule)
~intraparietal sulcus

Question 6

Gyri and Sulci- Medial surfaces

What are some of the structures? (11)

Answer 6

~Cingulate sulcus
~Marginal branch
~Cingulate gyrus
~Superior frontal gyrus
~Paracentral lobule
~central sulcus
~parietoocipital sucus
~precuneus of parietal lobe
~cuneus of occipital lobe
~calcarine sulcus
~lingual gyrus

Question 7

Gyri and Sulci- inferior surfaces

Which are the structures? (5)

Answer 7

~collateral sulcus
~parahippocampal gyrus
~uncus
~occipitotemporal (fusiform) gyrus 
~straight gyrus

Question 8

What are 3 parts are the inferior frontal gyrus?

Answer 8

~pars orbitalis
~pars triangularis
~pars opercularis

Question 9

What are 2 parts of the inferior parietal lobule?

Answer 9

~supramarginal gyrus

~angular gyrus

Question 10

Details on location of supramarginal gyrus

Answer 10

~located in the inferior parietal lobule

~just above the lateral fissure

Question 11

Details on location of angular gyrus

Answer 11

~located in the inferior parietal lobule

~just posterior to the supramarginal gyrus

Question 12

What is the superior and inferior parietal lobule separated by?

Answer 12

~intraparietal sulcus

Question 13

Details about location of cingulate gyrus

Answer 13

located just superior to the corpus callosum

Question 14

Details about location of cingulate sulcus

Answer 14

located just superior to the gyrus

Question 15

Details on the paracentral lobule

Answer 15

~this is the unification of the precentral and postcentral gyrus medially

Question 16

What structures do the parietooccipital sulcus separate?

Answer 16

~the precuneus of parietal lobe

~cuneus of occipital lobe

Question 17

What structures do the calcarine sulcus separate?

Answer 17

~the cuneus of the occipital lobe

~lingual gyrys

Question 18

What structures do the collateral sulcus separate?

Answer 18

~parahippocampal gryus and its distal end called the uncus

~occipitotemporal gyrus

Question 19

Another name for straight gyrus

Answer 19

gyrus rectus