Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Ectoderm
Introduction
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.
Template:Embryology Template:Germ layer
cs:Ektoderm
de:Ektoderm
eo:Ektodermo
it:Ectoderma
he:שכבת × ×‘×˜
nl:Ectoderm
no:Ektoderm
sk:Ektoderma
sr:Ектодерм
sv:Ektoderm
uk:Ектодерма
Editor-In-Chief: Template:Infobox Embryology C. Michael Gibson, M.S., M.D. [1]