Neurolation 2

Created by:

1. Yanuar Saputra

(130210103001)

2. Hiya Beny M (130210103045)

3. Sylvia Anggraeni

(130210103054)

4. Nurul Aslami (130210103061)

Group 2

Derrivates of Ectoderm

Neurolation

• Neurulation is the first development process of nerve

system.

• The process by which a flat ectodermal sheet becomes a

hollow tube.

• Begining with the development of neural plate, neural

groove and end in development of neural tube.

• Neurolation

1. Primary Neurolation

2. Secondary Neurolation

Ectoderm Induction From

Notochord

Neural plate(Elongated and thickened)

edges of the neural plate thickens

and grow up

Neural fold

and neural groove

Neurolation

n. fold growth, approaching each other middle dorsal region and finally merge

neural tube neural crestmigrate throughout the body

Central Nervous system The Pigment cell, Pheriferal Nervous system

and Adrennal Medulla

Neurolation

The Stages of Neurulation

Neural plate building

Neural fold building

Neural groove building

Neural tube building

Neural crest was built

Neural Plate

Neural fold

Neural Groove

Neural Tube

Neural Crest

Primary Neurolation

Secondary Neurolation

Anatomical DifferentiationThe anterior - posterior axis

Tissues of CNS

• Three major layers formed in the spinal cord and medulla

Cerebellum organization

Cerebrum Organization.

Histology Differentiation of Neurulation Procces

• Nerve cell• Glia cell• Crista neuralis cell• Spinal nerve• Mielination

Nerve Cell

Glia cell

Crista neuralis cell

Spinal nerve

Mielination

Clinical Corelates

TERIMAH KASIH