Surface ectoderm

Updated on Oct 23, 2023

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Precursor ectoderm		FMA 87656

The surface ectoderm (or external ectoderm) forms the following structures:

Skin (only epidermis; dermis is derived from mesoderm) (along with glands, hair, and nails)

Epithelium of the mouth and nasal cavity salivary glands, and glands of mouth and nasal cavity

Tooth enamel (as a side note, dentin and dental pulp are formed from ectomesenchyme which is derived from ectoderm (specifically neural crest cells and travels with mesenchmyal cells)

Epithelium of anterior pituitary

Lens, cornea, lacrimal gland, tarsal glands and the conjunctiva of the eye

Apical ectodermal ridge inducing development of the limb buds of the embryo.

Sensory receptors in epidermis

References

Surface ectoderm Wikipedia

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