Histology Review….woooooo
Don’t kid yourself. You know you love it.
• Lymphocyte• Arrows are platelets
• Dark Red Region?• Long White Arows?• Small White Arrows?
• Hint: Skeletal Muscle• I = Iband (light)• A = Aband (dark)• N = nucleus of muscle cell• F = fibroblast
• Eosinophil
• Above?– Muscle spindle
• Two blue arrows– Intrafusal fibers
Name the types of tissues
• Neutrophil
e
• Red I band (actin)• Blue A band (myosin)• Yellow Sarcomere• M= ? mitochondria
• Little black arrows = intercalated discs
DENDRITES
AXON HILLOCK
• Smooth muscle—longitudinal section
• Monocyte
• Hint: elastic artery
• Yellow Circle? Fasicle (bundle of muscle cells)• Red Arrows? Arteries/veins supplying muscle cells
• Middle Cell = postsynaptic cell• Outer two cells = Presynaptic cells
• Basophil
• N = chondrocytes
• Red arrow= isogenous group
• Yellow arrow? Muscle fiber/cell• Red Arrow? Endomysium
• Blue = unmyelinated axon• Yellow = myelinated axon
• Monocyte
• Hint: this is very high power
• L to R: Neutrophil, Basophil, Eosinophil
• Yellow Arrow:
• M Line• Red Arrow:• Z disc
• Whole Picture B:
• Sarcomere
• NR = node of ranvier
BASALLAMINA
MYELIN
AXON
• Hint: muscular artery
• L: Basophil• R: Lymphocyte
• Pericytes around capillary
• Medium artery (MA) and vein (MV)
• Hyaline Cartilage
• P = ? Pericytes (around capillary)
• Type of tissue and layers
VASA NERVOSUMEPINEURIUM
PERINEURIUM
ENDONEURIUM
VASA NERVOSUMEPINEURIUM
PERINEURIUM
ENDONEURIUM
• Elastic Cartilage (stained for elastic fibers)
• Perichondrium
• Immature (woven) bone
• C = haversian canal• Red = lacunae (for osteocyte)• Green = canaliculi
• Dorsal Root ganglion
• Pseudostratified ciliated columnar epithelium
• A = Osteoclast • B = Osteocyte• C = Osteoblast• D = Osteoid• E = Trabeculus of bone
• Fibrocartilage
• Tissue Type = elastic cartilage• Arrow = elastic fiber
• Simple Squamous Epithelium
• Simple columnar epithelium
Simple columnar epithelium
• Yellow = goblet cell• Red = basement membrane
• Arrows = basement membrane
• RC = zone of reserve cartilage• P = zone of proliferation• H = zone of hypertrophy• C = zone of calcification• B = zone of bone deposition (and cartilage removal)
• Reticular Connective Tissue
• Simple squamous epithelium (protruding nucleus)
• Stratified columnar epithelium
• Simple cuboidal epithelium
• Dense irregular connective tissue
• Arrow = cilia
• Nonkeratinized stratified squamous epithelium
• Elastic cartilage (H&E)• Yellow = chondrocyte• Black = elastic fibers
• Transitional epithelium
DORSAL ROOT GANGLION:NEURON SATELLITE CELL FIBROBLAST
• Loose connective tissue• Red = macrophage• Green = blood vessel• Yellow = fibroblast• Purple = collagen fiber
• Adipocytes
• Tissue type?• White adipose tissue
• Dense regular connective tissue (tendon)
• Fibrocartilage• Chondrocyte
• Plasma Cells (note clock face nuclei)
• Tissue Type = Loose connective tissue• Red = collagen bundle• Black = elastic fiber
• IT = interterritorial matrix• T = territorial matrix• Red = lacunae• Yellow = chondrocyte
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• Osteon (Haversian system)
• Sympathetic Ganglion
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