THRC.5 Flashcards
What is the telencephalon composed of?
Paired cerebral hemispheres
Longitudinal cerebral fissure
Frontal lobe
Cruciate fissure
Parietal lobe
Temporal lobe
Occipital lobe
What separates the two hemispheres of the telencephalon
Cerebral longitudinal fissure
The two hemispheres are connected across the midline by…
Commissural fibres
- Forms the corpus callosum
What are the elevated bands found on the surface of the telencephalon hemispheres?
Gyri cerebri
What separates the gyri cerebri?
Sulci cerebri
What are the parts of the telencephalon
- Surface grey matter
- Pallium/cortex
- White matter
- Deep grey matter
The deep accumulations of grey matter are referred to as…
Basal nuclei
Where does corpus striatum get its name?
Banding pattern from:
- Basal nuclei
- Grey matter
- Commisural fibres
Give the divisions of the pallium/cortex
- Paleopallium
- Archipallium
- Neopallium
The divisions of the cortex/pallium are determined by…
Evolutionary history - phylogenetically:
- Paleopallium - Oldest
- Neopallium - Youngest
25
Paleopallium
- Also part of the rhinencephalon
- Related to olfaction
26
Archipallium
- Extends from the longitudinal fissure into the hemisphere as the hippocampus
27
Neopallium
- Predominant part of the cerebrum
- Organised into vertical columns
15
Transverse fissure of the cerebrum
3
Fissura sylvia (Un.)
- Carnivores have a similar structure:
- Fissura pseudosylvia
5
Sulcus diagonalis (Un.)
7
Sulcus presylvius
4
Fissura ectosylvius rostralis
4
Fissura ectosylvius rostralis
6
Fissura ectosylvius caudalis
2
Fissura pseudosylvia (Ca.)
18
Cruciate groove
9
Sulcus suprasylvius
What is shown?
Corpus striatum
2
Nucleus caudatus
- Found mediodorsal to nucl. lentiformis
7
Nucleus lentiformis
7
Nucleus lentiformis
19
Claustrum
- Lamina of grey matter
- Seperates putamen from insula
18
Capsula externa
19a
Capsula extrema
