Development of the central nervous system
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Development of the central nervous system. Sanjaya Adikari Department of Anatomy. Neural tube & cavity. Development of brain. 1. 2. 3. Prosencephalon (forebrain). 1a. 1b. Mesencephalon (midbrain). 2. Rhombencephalon (hindbrain). 3a. 3b. Telencephalon. Cerebral hemispheres.

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Development of the central nervous system

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Development of the central nervous system

Sanjaya Adikari

Department of Anatomy


Neural tube

& cavity


Development of brain

1

2

3

Prosencephalon

(forebrain)

1a

1b

Mesencephalon

(midbrain)

2

Rhombencephalon

(hindbrain)

3a

3b


Telencephalon

Cerebral hemispheres

1a

Diencephalon

Thalamus, hypothalamus subthalamus, epithalamus

1b

2

tectum, tegmentum and cerebral pedunculi

Midbrain

3a

3b

pons, upper medulla and cerebellum

Metencephalon

Myelencephalon

lower medulla


Lateral ventricle

Foramen of Monro

3rd ventricle

Aqueduct

4th ventricle

Central canal of SC


Development of spinal cord and brain stem

Mantle layer

Marginal layer

Neuroepithelial layer


1

Neuroblast cells

Neurons

Neuroepithelial cells

2

Gliablast cells

Glial cells

Oligodendroglia

Astroglia

Ependymal cells

Microglia


Mantle layer

Alar plate (sensory)

Marginal layer

Sulcuslimitans

Neuroepithelial layer

Basal plate (motor)


Sensory

Motor

Posterior horn

Lateral horn

Sensory

Motor

Anterior horn


BA

BE

GSA

VA

VE

SE


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