G in the case of a parasite blood loss etc most common

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Unformatted text preview: epiphyseal side Articular Cartilage • Found on the surface of compact bone where the bone will come in contact with another bone to form a joint • Cancellous bone at epiphysis is covered by a layer of compact bone and then a layer of articular cartilage • Articular cartilage made up of hyaline cartilage o Function: Reduces friction and wear and tear in joints Endosteum • Lines all surfaces facing the medullary cavity o Contains osteoblasts (which work to increase the diameter of the bone) • Made up of connective tissue Periosteum • Covers all bone except for joint surfaces • Made up of two layers o Outer layer – made of fibrous tissue (CT  ­ collagen) o Inner layer with osteoblasts  Synthesize and secrete organic matrix  Mineralization of organic matrix  Inactive in adults • Acts to increase shafts + diameter and heal bone fractures/breaks 5 TYPES OF MARROW Red • Most common in young animals o Found in limited areas in older animals (cancellous bone) • Forms RBC (blood) Yellow • Hard, fatty – stores fat • No blood forming capabilities o However, yellow marrow can transform back into red marrow to synthesize RBC if body needs (e.g. in the case of a parasite, blood loss, e.t.c) • Most common type of bone marrow CARTILAGE • Found wherever soft structures need support • Attached or associated with joint surfaces of bone • Forms attachments with bones • Often inserted between joint surfaces • Is the supporting framework for soft structures o Important in respiratory tract t...
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This note was uploaded on 06/29/2013 for the course ANSC 2340 taught by Professor Iramandell during the Winter '12 term at University of Guelph.

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