Entoderm
Entoderm
Entoderm (pronunciation: /ɛnˈtoʊ.dɜrm/), also known as endoderm, is one of the three primary germ layers in the very early embryo. The other two layers are the ectoderm and mesoderm. The entoderm is the most interior layer.
Etymology
The term "entoderm" originates from the Greek words "ento" meaning "inside" and "derma" meaning "skin".
Function
The entoderm eventually forms the lining of the gastrointestinal tract, the respiratory system, and the endocrine system. It also forms several internal organs including the liver, pancreas, and thyroid gland.
Related Terms
- Ectoderm: The outermost of the three primary germ layers in an embryo.
- Mesoderm: The middle of the three primary germ layers in an embryo.
- Germ layers: The three layers of cells (ectoderm, mesoderm, and entoderm) in an early embryo from which all organs and tissues develop.
- Embryo: An early stage in the development of a multicellular organism.
- Gastrointestinal tract: The stomach and intestine, sometimes including all the structures from the mouth to the anus.
- Respiratory system: A series of organs responsible for taking in oxygen and expelling carbon dioxide.
- Endocrine system: The collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
External links
- Medical encyclopedia article on Entoderm
- Wikipedia's article - Entoderm
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