Ectoderm

Overview
The ectoderm is the start of a tissue that covers the body surfaces. It emerges first and forms from the outermost of the germ layers.

What forms from it (general)?

 * Nervous system
 * Outer part of integument

What forms from it (vertebrates)?
In vertebrates, the ectoderm has three parts: external ectoderm (also known as surface ectoderm), the neural crest, and neural tube. The latter two are known as neuroectoderm.

Ektoderm Ektoderm Ectodermo Ektodermo Ectoderme Ectoderma שכבת נבט Ectoderm Ektoderm Ektoderma Ectoderme Ectoderm Ektoderma Ектодерм Ektoderm Ektoderm Ектодерма 外胚层