ectoderm

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Amniotic and surface ectoderm cells are specialised at an early stage of development and largely share biological features, such as gene expression patterns and signal requirements.

From Science Daily • Mar. 4, 2024

In an unexpected twist, no part of the sea star ectoderm expresses a "trunk" genetic patterning program, suggesting that sea stars are mostly headlike.

From Science Daily • Nov. 1, 2023

After gastrulation, the embryo can be thought of as an onion with three layers: the ectoderm, the mesoderm and the endoderm.

From Science Daily • Sep. 19, 2023

The inner layer is the endoderm, and the outer layer is the ectoderm.

From Textbooks • Jan. 1, 2015

The issuing ovum does not destroy the ectoderm cells as it passes out, but squeezes them together round the aperture it makes.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson