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Lateral plate mesoderm

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Lateral plate mesoderm
Transverse section of a chick embryo of forty-five hours’ incubation.
* Chordamesoderm: yellow, at notochord.
* Paraxial mesoderm: red, at somite.
* Intermediate mesoderm: purple, near Wolffian duct.
* Lateral plate mesoderm: purple, near "Somatic mesoderm" and "Splanchic mesoderm".
Model of human embryo 1.3 mm. long.. (Splanchic mesoderm labeled at left, somatic mesoderm at top right.)
Gray's subject #6 50
Carnegie stage 9
Gives rise to somatopleure, splanchnopleure
Dorlands/Elsevier h_22/12439212

Lateral plate mesoderm (or hypomere) is a type of mesoderm that is found at the periphery of the embryo.

It will split into two layers, the somatic layer/mesoderm and the splanchnic layer/mesoderm

Between the two is the coelom.

[edit] See also

[edit] External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

Mammalian development of embryo and development and fetus (some dates are approximate - see Carnegie stages) - edit - discuss

Week 1: Zygote | Morula | Blastula/Blastomere/Blastosphere | Archenteron/Primitive streak | Blastopore | Allantois | Trophoblast (Cytotrophoblast | Syncytiotrophoblast | Gestational sac)

Week 2: Yolk sac | Vitelline duct | Bilaminar disc

Week 3: Hensen's node | Gastrula/Gastrulation | Trilaminar embryo Branchial arch (1st) | Branchial pouch | Meckel's cartilage | Somite/Somitomere | Germ layer (Ectoderm, Endoderm, Mesoderm, Chordamesoderm, Paraxial mesoderm, Intermediate mesoderm, Lateral plate mesoderm)

Histogenesis and Organogenesis

Circulatory system: Primitive atrium | Primitive ventricle | Bulbus cordis | Truncus arteriosus | Ostium primum | Foramen ovale | Ductus venosus | Ductus arteriosus | Aortic arches | Septum primum | Septum secundum | Cardinal veins

Nervous system: Neural development/Neurulation | Neurula | Neural folds | Neural groove | Neural tube | Neural crest | Neuromere (Rhombomere) | Notochord | Optic vesicles | Optic stalk | Optic cup

Digestive system: Foregut | Midgut | Hindgut | Proctodeum | Rathke's pouch | Septum transversum

Urinary/Reproductive system: Urogenital folds | Urethral groove | Urogenital sinus | Kidney development (Pronephros | Mesonephros | Ureteric bud | Metanephric blastema) | Fetal genital development (Wolffian duct | Müllerian duct | Gubernaculum | Labioscrotal folds)

Glands: Thyroglossal duct

Uterine support: Placenta | Umbilical cord (Umbilical artery, Umbilical vein, Wharton's jelly) | Amniotic sac (Amnion, Chorion)

Limb development: Limb bud | Apical Ectodermal Ridge/AER

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