Lecture 2 Flashcards
What does the CNS consist of?
Spinal cord and Brain
What does the PNS consist of?
12 cranial nerves and 31 spinal nerves
What does the somatic nervous system respond to?
External environment
What does the somatic nervous system supply?
Everything other than the organs
Where are sensory nerves from?
Skin, bones and joint
Where are motor nerves from?
Skeletal muscle
What does the autonomic nervous system respond to?
Internal environment
What are the three initial swellings of the brain?
Prosencephalon, mesencephalon and rhombencephalon
What are the five swelling later on in development of the brain?
Telencephalon, Diencephalon, mesencephalon, metencephalon and mylencephalon
What swellings are associated with the procencephalon?
Telencephalon and Diencephalon
What swellings are associated with the Rhombencephalon?
Metencephalon and Mylencephalon
What are the derivatives of the Telencephalon?
Cerebral hemispheres
What are the derivatives of the Diencephalon?
Thalamus and hypothalamus
What are the derivatives of the Mesencephalon?
Midbrain
What are the derivatives of the Metencephalon?
Pons and cerebellum
What are the derivatives of the Myelencephalon?
Medulla Oblongata
What cavities are associated with Telencephalon?
Lateral ventricles
What cavities are associated with Diencephalon?
Third ventricle