Lecture 1 Flashcards
(21 cards)
What makes up the CNS
Brain
Spinal cord
What makes up the PNS
Sensory components (sensory ganglia/nerves and sensory receptors)
Motor components (visceral/somatic)
Cranial nerves
Spinal nerves
What are the three layers of the developing nervous system?
Ectoderm
Mesoderm
Endoderm
The ectoderm caves inward creating what?
Neural groove
What does the telencephalon produce?
cerebral cortex
(lateral ventricles)
At which week/day is the neural groove formed?
3rd week
20th day
What are the two divisions of the prosencephalon?
Telencephalon
Diencephalon
The neural crests pinch together creating hat structure near week 4?
Neural tube
What is the forebrain also called?
Prosencephalon
What does the diencephalon give rise to?
Thalamus
Hypothalamus
Optic disc
(3rd ventricle & CNII)
Does the midbrain have any divisions?
no
What is another name for the midbrain?
Mesencephalon
What does the midbrain give rise to?
cerebral aqueduct
What is another name for hindbrain?
Rhombencephalon
What are the two division of the rhombencephalon?
Metencephalon
Myelencephalon
What does the metencephalon form?
Pons
Cerebellum
(4th ventricle)
What does the myelencephalon form?
Medulla oblongata
(4th ventricle)
What are white in a T2 MRI?
Fat & Fluid
What is white in a T1 MRI?
Fat
Fine soft tissue structures are visible on an MRI. T/F
True
Is the frontal lobe rostral or caudal telencephalon?
rostral
