Medical Histology Lab November 9, 2009 Steve Ernst* 3037 BSRB * Slide images #6,7,9, and 13 added by S.K. Kim for 2009.

#20 Trachea #40 Trachea #126 Trachea Esophagus

#20 Trachea-Hyaline Cartilage Respiratory Epithelium Glands Hyaline Cartilage CT Elastic Fibers

#20 Trachea-Hyaline Cartilage Perichondrium (osteogenic progenitor cells) Isogenous Groups of Chondrocytes Chondrocytes Glands

Perichondrium Chondroblasts Territorial Marix Interterritorial Matrix #20 Hyaline Cartilage Chodrocytes

#124 Nasal Septum: Forming (immature) Hyaline Cartilage Note: eosinophilic matrix and absence of isogenous groups

#44 (pinna) Aldehyde fuchsin & trichrome #44H (epiglottis) H&E

#44H Ear Pina—Elastic Cartilage Perichondrium Elastic Fibers (Elastin) Aldehyde Fuchsin & Masson

#53 (pinna) van Gieson’s stain

Bone Nucleus Pulposus Chondrocytes Fibrous Matrix (Dense Regular CT) Bone #45 Fibrocartilage Intervertebral Disk Annulus Fibrosus

#50 Compact Bone Osteon Haversian Canal Concentric Lamellae Lacunae Outer Circumferential Lamellae Inner Circumferential Lamellae Skeletal Muscle Compact Bone Bone Marrow

#51 Ground Bone HC Osteon with Concemtric Lamellae HC Lacunae Canaliculi Interstitial Lamellae Volkmann’s Canal Also 51xc and 93B

#50 and #051xc (X-section of fibula)

Slide 51L Bone Concentric Lamellae of an Osteon HC Volkmann’s Canals Also, 51LX, 93A, 93C