Embryological Origins Flashcards
Heart
Lateral plate mesoderm - somatic layer
Cranial neural crest
Limbs (skeleton & CT)
Lateral plate mesoderm - somatic mesoderm
CNS
Ectoderm
Lens, cornea (epithelium)
Surface ectoderm
Stroma of cornea, ciliary and iris muscles, vascular choroid layer, sclera, iris stroma, trabecular network, Schlemm’s canal
Neural crest cells
Corneal endothelium and angioblasts of choroid and retinal layer
Mesoderm
Retina, retinal pigment epithelium, iris
Ectoderm (neuroectoderm, CNS)
Face (except striated muscles, endothelial cells of blood vessels and enamel of teeth)
Neural crest
Prechordal plate
Mesoderm
GI tract (epithelial cells)
Endoderm
Connective tissue of GI tract
Lateral plate mesoderm - splanchnic mesoderm
Enteric nervous system
Vagal and sacral neural crest
Lung and trachea (epithelial cells)
Endoderm
Vasculature and connective tissue of lung
Lateral plate mesoderm - splanchnic mesoderm
Dermal layer of skin
Paraxial mesoderm (somites, dermatome)