Embryos - Frolich Ph.D THE INNER TUBE • Gut • Serous...

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Human Anatomy, Larry M. Frolich, Ph.D. BASIC BODY PLAN From a two-layered sheet to a  segmented tube within a tube
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Human Anatomy, Larry M. Frolich, Ph.D. Sagittal view of “generic” vertebrate embryo/body plan Draw gut tube within “outer” tube Mouth, anus Cut across middle to see cross (or transverse) section
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Human Anatomy, Larry M. Frolich, Ph.D. Outer(“somatic”) tube --striated muscle --somatic motor nerves Inner (“visceral”) tube --smooth muscle --visceral motor nerves Celom or Body Cavity --empty space between tubes
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Human Anatomy, Larry M. Frolich, Ph.D. Celom and diaphragm in sagittal section view
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Human Anatomy, Larry M.
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Unformatted text preview: Frolich, Ph.D. THE INNER TUBE • Gut • Serous lining (peritoneum) • Mesenteries • Celom/Body Cavity/ Peritoneal Cavity Human Anatomy, Larry M. Frolich, Ph.D. THE OUTER TUBE • Neural tube—brain, spinal cord (Dorsal Hollow Nerve Tube) • Notocord • Vertebra • Muscle, Nerve, Skin, Bone • LIMBS!! SEROUS MEMBRANES • Peritoneum--visceral--parietal/somatic • Pleura--visceral--parietal/somatic • Mesentery Human Anatomy, Larry M. Frolich, Ph.D. SEGMENTATION • Brain and spinal cord • Notocord • Vertebrae and Ribs • Segmented Spinal Nerves • Sensory Areas (dermatomes) • Muscle Segments (myotomes)...
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Embryos - Frolich Ph.D THE INNER TUBE • Gut • Serous...

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