Pons Flashcards
What is the pons described to be?
Pons is a ______ shaped part of ________
“A bridge”
Pons is a __horse-shoe__ shaped part of __brainstem__
What shape does the pons resemble?
The horse-shoe
What is the pons part of?
The metencephalon
The pons is situated in between ___________ and _________
Midbrain
Medulla oblongata
Gray matter nuclei….. that relay.. what? and from and where to?
Gray matter nuclei that relay signals from forebrain to cerebellum
White matter…
Conducts signals from cerebrum down to cerebellum and medulla oblongata
tracts that carry sensory signals up into thalamus
Pons is responsible…
for communications and coordination centre between two hemispheres of brain
Pars dorsalis pontis = tegmentum pontis
floor of fourth ventricle
Several nuclei that are responsible of controlling motor functions are found in pons. These nuclei signal…?
-> signals forebrain -> cerebellum (sleeping, respiration, breathing, swallowing, bladder control, hearing, equilibrium, taste, eye movement, facial expressions, posture)
Pars ventralis pontis
mainly ascending and descending nerve tracts
Pedunculus cerebellaris = medius et dorsalis
Thick stalks caudally, connect cerebellum to pons (and midbrain)
Formatio reticularis
Interconnection of neurons receiving sensory and motor nerve tracts.
-Transition from sleep to consciousness
=reticular formation activates the cerebral cortex
