Cow longitudinal section of bone, front leg bone, to view internal structure, periosteum, solid bone layer, spongy bone, medullary canal, yellow bone marrow, red bone marrow, epiphysial line, head of the long bone with articulating surface of the hyaline cartilage* * Ward's preserved cow material is a byproduct of the food industry. Cows are not raised specifically for dissection. This animal material is "recycled" for educational use.
Model shows the transverse and longitudinal section of a dicotyledonous stem in which case the cambium ring has been formed but no secondary growth has taken place.
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