Dura mater
2 layers, outer and inner. Right underneath skull bone
Arachnoid mater
Right below dura mater
Pia mater
Tightly adhered to brain
Rostral
Toward the nose/forehead
Caudal
Toward spinal cord
Major parts of brain
Cerebrum, cerebellum, brain stem
Brain stem
Medulla and pons
Hindbrain
Medulla, pons, cerebellum
Forebrain
Cerebrum and diencephalon
Sulci
Valleys, visible lines on surface of brain
Corpus callosum
Connects hemispheres
Gyri
Folds
Cerebrum divided into 5 lobes
Frontal, temporal, parietal, occipital
Gray mater
Contains cell bodies, dendrites, synapses
White mater
Contains tracts/bundles of nerve fibers (axons)
Name of the valley between the hemispheres
Longitudinal fissure
Meninges (three membranes)
Dura, arachnoid, pia mater
Ventricular system
4 chambers within brain
4 ventricles?
Lateral, third, fourth, medial ventricle
Cerebrospinal fluid
Floats brain, cushions and protects brain, gets rid of wastes
2, 1, 4, 3, 5
What cranial nerves arise from medulla
Vagus, hypoglossal, glosso-pharyngeal
Pons nuclei roles
Sleep, hearing, equilibrium, taste, eye movement, respiration, swallowing
Hindbrain
Does life giving functions (lizard, primitive brain)