Pons Flashcards
What makes up brainstem?
Midbrain
Pons
Medulla
Function of pons?
Relay sensory info to cerebellum
Regulate breathing
Control sleep cycles
Label
Label
What does pons develop from (embryology)?
Develop from embyonic metencephalon
What cranial nerves are on pons ventral surface?
CN V – trigeminal
CN VI – abducens
CN VII – facial
CN VIII – vestibulocochlear
Where is facial and trigeminal nerves located?
Ventral surface pons
CN V – trigeminal
CN VI – abducens
CN VII – facial
CN VIII – vestibulocochlear
What structures inside pons?
Ventral pons
Tegmentum
Remaining pons- tract pass
Function tegmentum
Arousal
Attentiveness
What does ventral pons contain?
Contain pontine nucei
Function pontine nuclei?
Co-ordinate movement
What supplies pons?
Pontine arteries (most)
Superior cerebellar artery (some)
What hormone involved stress response?
Cortisol
What structure in pons is involved stree?
Locus coeruleus
Function of locus coeruleus?
STRESS
Involved in sleep-wake cycle
Attention and memory
Emotions
Posture and balance