Cartilage - Chondrocytes - Extracellular matrix Hyaline, elastic and fibrocartilage Bone - Osteocytes, osteoblasts, osteoclasts, progenitors - Extracellular matrix (mineralization) Bone – fibrillar and lamellar (compact, sponge) Chondrocyte Hyaline cartilage - trachea (HE) http://www3.delta.edu/ Elastic cartilage – auricula (HE) http://www3.delta.edu/ Elastic cartilage (fuchsin) perichondrium Fibrocartilage – intervertebral disc (HE) http://www3.delta.edu/ Osteoblast GER Osteocyte www.histology.leeds.ac.uk www.studyblue.com Osteoclast osteoclasts tchealth.com osteoblasts osteocytes Fibrillar bone http://accessmedicin e.mhmedical.com/ Lamellar compact bone (Schmorl) Lamellar sponge bone (HE) imgkid.com studydroid.com Reservecartilage Proliferatingzone Hypertrophiczone Calcificationzone Ossificationzone Erosionline Intracartilaginous ossification (HES) CONNECTIVE TISSUE – II: Cartilage and bone. Slides: Hyaline cartilage (27. Trachea) Elastic cartilage (94. Auricula, 28. Elastic cartilage - orcein) Lamellar bone (95. Bone – HE or Schmorl staining) Endochondral ossification (96.) Atlas EM: Chondroblast (45) Osteoblast (46) Osteocyte (47)