Limb Development Lecture 10-29-09(F 2009)

Limb Development Lecture 10-29-09(F 2009) - BIOL 595...

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BIOL 595 10-29-09 Limb Development (I)
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Figure 9.1 (page 340) Figure 4.33 (page 179) Forelimb and Hindlimb Formation Along the Anterior-Posterior Axis
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Limb Development 1) Define pattern 1) Three axes (A/P, D/V and Proximal-distal) 1) Appendage identity (arm and leg distinctions) 1) Connective tissues (bone cartilage, dermis, tendons, ligaments  and muscles) Limb Development
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Three Main Axes of Limb Development 1) Proximal to Distal (P/D) – human arm from shoulder to the digits (Proximodistal axis) 1) Anterior to Posterior (A/P) – from the thumb to the little finger (anteroposterior axis) 1) Dorsal to ventral (D/V) – from the back of the hand to the palm (Dorsoventral axis)
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Connective tissues are derived from lateral plate mesoderm - Bone - Cartilage - Dermis - Tendons - Ligaments - Fibroblasts
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Striated muscle of the limb is comprised of cells that migrated from the somite Limb Muscles
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Figure 9.1 (page 340) Figure 4.33 (page 179) Forelimb and Hindlimb Formation Along the Anterior-Posterior Axis
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Figure 9.2 (Page 340) Embryonic Chick Wing
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Morphology of Chick Wing and Leg
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Development of the Chick Wing and mouse forelimb Figure 9.5 (Page 342)
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This note was uploaded on 01/27/2010 for the course BIOL 595 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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Limb Development Lecture 10-29-09(F 2009) - BIOL 595...

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