Post on 13-Jan-2016
Anatomy 812Lab Session 10:
Integumentary SystemSept. 8, 2005
Russell ChowningTabitha HockerCarmen Kiper
Greg Rupp
Slides in this lab:
• #4: Thick skin – human (PTAH)• #3: Thick skin – human (H&E)• #2: Thin skin – human infant finger (H&E)• #65: Meissner’s corpuscles – monkey (H&E)• #95: Rectoanal junction – human (H&E)• #5: Facial skin – human (H&E)• #6: Eyelid – human (H&E)• #15: Ear – human infant (Verhoeff’s stain)• #26: Finger – human infant (H&E)• #66: Meisner’s corpuscles – monkey (H&E, silver stain)• #26 NH: Skin (reduced silver impregnation)
Slide 4: Thick skin – human (PTAH)
4x
10x
Collagen Fibers (stained red)
Elastic Fibers (stained blue-black)
Slide 3: Thick skin – human (H&E)
4x
Dermis
Epidermis
Stratum Corneum
Stratum Lucidum
DermalPapillae
40x…
Slide 3: Thick Skin – human (H&E) – 40x
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Basale
Keratohyalin granules (basophilic)
Keratinocytes
Slide 3: 40x
Mitotic CellsIn Stratum Spinosum
Slide 2: Thin skin – human (H&E)4x
40x
Melanocytes
Merckel CellsorLangerhan’s Cells
Melanin Pigment
Slide 26 – Thin Skin – human infant finger (H&E)
4x
40x
Notice how thin thestratum corneum is, and the absence of a stratum lucidum, as compared to the thick skin seen in slide 3.
Slide 65: Meissner’s corpuscles – monkey (H&E)4x
Next Page (10x)…
40x
Eccrine gland:
Secretory portion(Double layerof cuboidal cells)
2 Pages Hence (40x)…
Slide 65 (cont.)
EccrineGlandDucts
10x
Slide 65 (cont.)
40x
Meissner’sCorpuscles
Slide 95: Rectoanal Junction – Human (H&E)
Rectoanal Junction
4x
10x
Apocrine Duct
Slide 5: Facial Skin – Human (H&E)
4x
Hair Follicle
Sebaceous Gland
Sweat Gland
Slide 5 – Sweat and Sebaceous Glands, 10x
Sebaceous Gland
Sweat Glands
Slide 5 - Hair Shaft, 40xHair Shaft
Hair Root
ExternalRootSheath
InternalRootSheath
Slide 6: Eyelid – human (H&E)4x
40x
External Root Sheath
Internal Root Sheath
Slide 15: Ear – human infant (Verhoeff’s stain)
Sebaceous gland
Melanocytes
Hair Follicle
Elastic Cartilage
10x
Slide 26: Finger – human infant (H&E)
4x
Dense KeratinizedPlate
Slide 66: Meissner’s Corpuscles – monkey (H&E, silver stain)
4x
DenseKeratinizedPlate
Slide 26NH: Skin (reduced silver impregnation (4x)
10xbox
40x box
Slide 26NH – 10x
PacinianCorpuscle
Slide 26NH – 40x
Meissner’sCorpuscle
Slide 65: Thick Skin – monkey (H&E) (10x)
PacinianCorpuscle
Slide 65: 40x
Meissner’sCorpuscle