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(Cerebrum (lobes (Insula (primary cortex for gustation), occipital…
Cerebrum
lobes
Insula
primary cortex for gustation
occipital
primary visual cortex
Temporal
primary auditory cortex
parietal lobe
produces stimuli; awareness of objects
Frontal lobe
functions for planning, thinking memory
White matter tracts
Association
Tracts that connect parts of the cortex to hemispheres
Commissural
Tracks that take information from one hemisphere to another
Projection
Tracks that project from front to back
pre and post central gyri
Postcentral gyrus for primary somatosensory cortex
Precental gyrus for primary motor cortex
Brocca & Wernicke areas
Brocca's area controls motor movement of speech
Wernicke area for speech comprehension
Diencephalon
Thalamus
Paired structures; responsible for all sensory signals
Hypothalamus
Regulates body temperature; hunger & thirst; sleep/wake cycle
Epithalamus
a nucleus; pineal gland produce melatonin
Brain Stem
Medulla Oblangata
Functions
cardiovascular control center for heart
Respiratory center for regulating breathing
Structures
Decussation of pyramids
Cranial nerve nuclei
Pyramids
Sensory tracts
Midbrain
Function
responsible for sympathetic motor pathway
Structural components
Cerebral peduncles
Superior colliculi
Inferior colliculi
Corpora quadrigemina
Pons
Reticular formation nuclui
CNS protection
Meninges
Dura Mater
Most superficial; dense connective tissue
Pia mater
very thing and vascular
Subarachnoid mater
space for blood vessels; filled with csf
Spinal cord menings differ only for having on layer of meninges
Blood-Brain Barrier
Simple squamous epithelium
Astrocytes play a role
Functions to selectively permeable; prevents bacteiral toxins
tight junction in capillaries
Cerebellum
Cerebellar peduncles
Superior colliculi
Inferior colliculi
Corpora quadrigemina
Functions
Spinal Cord
Structures
Cervical and lumbar enlargements
conus medullaris
Cauda equina
Filum terminale
Ganglion roots
Posterior roots
axons of visceral and somatic sensory neurons
Posterior root ganglion
ganglion that are unipolar
Anterior roots
axons of visceral & somatic motor neurons
Tracts
Descending for motor
Ascending for sensory