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Spinal Anatomy


subgroups of mesoderm Paraxial, Intermediate, Head, Lateral Plate
Paraxial - somatic skeletal muscles, ligaments, tendons
31 somites mesodermal paraxial
Paraxial - splanchnic smooth muscle of organs
Intermediate urogenital system, kidneys
head skull, muscles, dentine, CT
lateral plate adrenal cortex, blood and lymphs, cardiovascular and lymphs
Ectoderm subgroups surface ectoderm, neuroectoderm (neural tube, neural crest)
surface ectoderm epidermis, skin, lens of eye, cornea, hair, nails, ant. pituitary, enamel
neuroectoderm - neural tube post. pituitary, retina, CNS, pineal body, oligodendrocytes
neuroectoderm - neural crest DRG, ANS, parafollicular cells of thyroid, adrenal medulla, sympathetic chain ganglion, PNS, Schwann cells
intramembranous ossification clavicle and all float bones of skull
enchondral ossification ossification of all other bones
intramembranous and enchondral ossification scapula
stomodeum mouth
back of throat to 1st 1/3 of duodenum foregut
2nd 2/3 duodenum to 1st 2/3 transverse colon midgut
last 1/3 transverse colon to anus hindgut
Created by: polystachya