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Skin
The
picture " 
" can link to it's
corresponding histological photograph.
The picture " 
" can link to it's
corresponding histological drawing.
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Skin of palm and sole
A-1-c, Skin of sole,
Monkey, OsO4
A-5-a
NA-1-i, Caucasian and Negro, HE;
NF-1-c, cs, HE
 Epidermis
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Stratum corneum
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»» dead scale-like cells without nuclei |
Stratum lucidum
»» flattened cells
»» nuclei begin to degenerate |
Stratum granulosum
»» rhombic cells containing keratohyalin
»» granules |
Stratum Spinosum
»» polyhedral prickle cells with numerous
»» spinous processes |
Stratum basale
»» high columnar
(cuboidal) cells
resting on a basement membrane |
Ducts of sweat glands
Sweat pores
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Dermis
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( Irregularly dense connective tissue )
Papillary layer:
contain dermal papillae
»» Vascular papillae - blood vessels
»» Nervous papillae - Meissner's corpuscles
»» Ducts of sweat glands |
Reticular layer
»» Bundles of collagenos fibers, fibroblasts
»» Blood vessels, nerves
»» Ducts of sweat glands |
Hair follicle and sebaceous glands, arrector pili
muscles
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Hypodermis
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( the superficial fascia ): loose C.T.
»» Fat cells ( Panniculus adiposus )
»» Pacinian corpuscles ( NF-1-c )
»» Secretory portion of sweat glands
»» Sweat ducts
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Skin pigmentation
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»» melanin in basal epithelial was compared in NA-1-i
melanocytes are difficult to identify |
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**please go back to check NN-18-e
recto-anal canal
and NN-18-c anus.
Scalp
( M-1-o , HE )
Epidermis
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»» Stratum corneum
»» Stratum spinosum
»» Stratum basale
»» Hair follicles |
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Dermis
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»» Hair follicles
»» Connective tissue sheath
»» Epithelial root sheath
»» Cuticle
»» Arrector pili muscle
smooth muscle fiber bundle
»» Sebaceous glands
Sebaceous cells
Indifferent cells
Ducts connected to lumen of hair follicles |
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Finger nail
NC-2-a, human, ls.
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»» Nail
»» Nail bed
»» Eponychium
»» Hyponychium |
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