Hemisections of the brain Flashcards
What are the 4 parts of the corpus callosum called?
- Rostrum
- Genu
- Body
- Splenium (most posterior)
What fibres go through the corpus callosum?
The commissural fibres
What is the name of the thin sheet which separates the two horns of the lateral ventricle?
The septum pellucid
What is the septum pellucidum continuos with?
Superiorly: corpus callosum
Inferiorly: the Fornix
What is the fornix
Bundle of fibres which connects the mammillary bodies of the hypothalamus with the hippocampus
What is the thalamus
Sensory relay area made up of smaller masses of grey matter nuclei.
What does most of the sensory information from the body go through
The ventro-postero-lateral nucleus of the thalamus
What is the function of the hypothalamus
Connects the nervous and the endocrine systems
Functions
- Body temperature
- Thirst
- Appetite and weight control
- Emotions
- Sleep cycles
- Sex drive
What is the name of the dural fold which lies down over the pituitary gland?
The diaphragm sellae
Where does the pineal gland lie in relation to the colliculi?
The inferior