Nervous System-Brainstem Flashcards
What comprises the CNS?
Brain and Spinal cord
2 Divisions of the PNS
Somatic and Autonomic
2 Divisions of Autonomic nervous system (ANS)
Parasympathetic and Sympathetic
Somatic refers to
Voluntary Muscle Movement/Reflex
Main organ of Nervous system
BRAIN
What are the Primary brain vesicles?
Prosencephalon
Mesencephalon
Rhombencephalon
2 derivatives of Prosencephalon
Telencephalon
Diencephalon
Derivatives of Telencephalon
Cerebrum
Basal ganglion
Derivatives of Diencephalon
Retina
Thalamus
Hypothalamus
Derivatives of Mesencephalon
Midbrain
superior colliculi
inferior colliculi
Derivatives of Rhombencephalon
Metencephalon
Myelencephalon
Derivatives of Metencephalon
Pons
Cerebellum
Derivatives of Myelencephalon
Medulla oblongata
Longest cell in the body
Neurons
Functional unit of nervous system
neurons
What are the 2 brain vesicles that forms the brainstem?
Metencephalon
Myelencephalon
Parts of the brain
Cerebrum Hypothalamus Thalamus Cerebellum Brainstem
The largest portion of the brain covered with great and white matter.
Cerebrum
Role of Cerebrum in the brain
Awareness center of the brain
What contains the GRAY MATER?
Neurons
What contains the WHITE mater?
Fats
These are the major output of the cerebrum for information.
PYRAMIDAL CELLS
Part of Cerebrum where there are elevated ridges.
GYRI
These are small groove dividing lines of the brain.
Sulci
These are the DEEP groove dividing lines of the brain.
FISSURES
Sulcus that divides the frontal and parietal
Central sulcus
Other term for Central sulcus
Fissure of Rolando
Fissure that divides the Temporal and Parietal
Lateral cerebral fissure
4 lobes of Cerebrum
Frontal lobe
Parietal lobe
Temporal lobe
Occipital lobe
Functions of the Frontal lobe.
Problem solving
Judgement
Motor
Located in the left side of the brain for the PRODUCTION OF SPEECH
Broca’s area
Functions of Parietal Lobe
Hand writing
Body position
Sensory
Part of Parietal lobe that detects odontalgia
Post-central gyrus
Functions of Temporal lobe
Storage of memory and hearing