116 شپږم څپرکي پوست )جلد(
Skin & its Appendages
stratified squamous Epidermis dermis epithelium subcutis dermis
(wave) (straight) dermal papillae epidermal papillae epidermis epidermis 117 شپږم څپرکي پوست )جلد(
(print)
Epidermis
stratified squamous epidermis
Stratum basale (Basal lamina) stratum basale basal layer stem cells keratinocytes mitosis
stratum germinal layer germinativum basal Stratum spinosum desmosome (keratinocytes)
desmosome stratum spinosum (spines) stratum spinosum prickle cells keratinocytes keratin felaments (fibrils) desmosome fibrils stratum spinosum germinative zone epidermis stratum basalae stratum spinosum stratum granulosum 118 شپږم څپرکي پوست )جلد(
keratohyalin keratin (pyknotic) filametns keratohyalin
lucid=clear stratum granulosum stratum lucidum
stratum corneum keratin filaments carbohydrates
epidermis zone stratum granulosum stratum lucidum Stratum corneum stratum lucidum stratum granulosum of keratinization dermis 119 شپږم څپرکي پوست )جلد(
Dermis epidermis papillary (reticular layer) papillary papillae dermal papilla tactile papillae (capillaries) corpuscles dermis (elastic fibers) dermis (adipose tissues) (superficial fascia) 1,9,3
(stratified stratum squamous epi) corneum Keratinocyte stem keratinocytes stem cells
stratum spinosum keratinocytes intermediate cells keratinocytes (keratin) (intermediate filaments) epidermis a tonofibrils cytokeratin filaments stratum spinosum 120 شپږم څپرکي پوست )جلد(
keratin filaments tonofibrils
stratum granulosum epidermal b keratohyalin granules cysteine histidine (keratin filaments) c stratum granulosum keratohyaline
granular d lamellated glycophospholipids keratosome bodies
epidermis
stratum corneum epidermis stem keratinocytes
stem stem
epidermis epidermal proliferation unite dendritic 121 شپږم څپرکي پوست )جلد(
(pigmentation of the skin) stratum spinosum melanin melanoblasts melanocytes melanocytes neural crest epidermis dermis germinative zone germinative zone melanocytes melanocytes
dendritic (melanocytes) melanocytes dendritic macrophages cells
tyrosine (eumelanin) dihydroxy-phenylalanine (DOPA) tyrosine DOPA DOPA melanocytes melanin DOPA melanocytes melanin DOPA melanocytes DOPA
melanosome melanocytes melanosome keratinocytes germinative zone (pigments) haemoglonin epidermis oxyheamoglobin 122 شپږم څپرکي پوست )جلد(
(pale)
Epidermis Dendritic cells of langherhance Stratum spinosum dendritic melanocytes keratinocytes melanocytes Dendritic Dendritic cells of langherhance bone marrow mononuclear phagocyte system
T-lymphocytes
birbeck bodies langherhance bodies
Epidermis (chronic skin disorder) allergy
Cells of Merkel Epidermis
Dermis dermis
cleavage line 123 شپږم څپرکي پوست )جلد(
dermis elastic dermis Scar tissue
lineagravidarum
(arterial plexus) deep fascia rete (plexus) dermis reticular plexus plexus
dermal papillae rete subpapillare plexus papillary plexux capillaries loops
dermal papilla epidermis epidermis dermal diffusion dermal plexus papillae deep fascia arterio-venous anastomoses
124 شپږم څپرکي پوست )جلد(
dermis autonomic epidermis erector pilli myoepilthial scrotum (nipple) dermis 9,12,3
:
microorganisms
poisons
(melanin) Ultra violate vitamin D
arterio-venous anastomoses (capillaries) 125 شپږم څپرکي پوست )جلد(
5,12,3
(appendages the skin) mammary sebaceous glands
(Hair)
eyelids
shaft Root
(root) Bulb 126 شپږم څپرکي پوست )جلد(
hair papilla dermis bulb hair follicle tubular Bulb follicles
shaft stratum corneum (cortex) (Medulla) medulla
medulla
cuticle 127 شپږم څپرکي پوست )جلد(
medulla cornified (bubbles)
Follicle epidermis follicles follicle stratum corneum dermis follicles (Inner root sheath): –I stratum spinosum (outer root sheath) II dermis III follicles cuticle cuticle cornified stratum Huxley’s epithelialegranuloferum trichohyaline granules eosinophilic inner root sheath stratum epithelialepallidum henle’s
(outer root sheath) stratum spinosum epidermis
bulb 128 شپږم څپرکي پوست )جلد(
germinative matrix stratum spinosum bulb mitotic keratinization papilla inner root sheath follicle germinatve matrix outer root sheath (connective outer root sheath (Basal layer) (basal lamina) tissue sheath) glassy membrane PAS-positive eosinophilic dermis connective tissue sheath
sebaceous glands sebaceous follicle (insertion) epidermis dermis follicles Fundus sebaceous gland Infundibulum
Arector pili infundibulum Isthmus
1,3,9 inferior segment Inferior segment
Arector pili muscles dermal papilla dermis connective tissue sheath follicle hair follicle sebaceous 129 شپږم څپرکي پوست )جلد(
sebaceous
sympathetic Arrectorpili muscle
Sebaceous glands (hair follicles)
alveoli alveoli alveoli follicle alveoli BM alveoli alveoli
sebaceous Sebum sebaceous holocrine sebum sebum cholesterol esters triglyceride cholesterol sebaceous
Meibonian tarsal glands eyelids montgomery’s sebaceous sebaceous (breast) tubercles sebaceous glands 3,1,12 130 شپږم څپرکي پوست )جلد(
(Nails)
proximal distal (body) nail bed Radix(root) (nail groove)
keratinizing stratum lucidum stratum corneum
keratin
germinatve zone stratum basale stratum spinosum germinal matrix germinative zone proximal nail folds germinal matrix
germinal matrix proximal nail folds lunule germinal matrix (thumb ) (fibrous tissues) (distal phalanx) germinal matrix germinative zone (nail bed) sterile matrix sterile dermis matrix dermal papillae matrix dermal papillae 131 شپږم څپرکي پوست )جلد(
(roots) proximal nail folds lateral nails folds lateral nail folds stratum proximal nail folds lateral nail groove stratum corneum corneum eponychium stratum corneum
nail bed hyponychium (distal phalanx) dermis dermis (arterio-venous anastomoses)
germinal matrix nail bed
nail root
germinal matrix 132 شپږم څپرکي پوست )جلد(
(Sweat glands)
Typical sweat glands
holocrine apocrine merocine(ecrine) merocrine
(tube) fundus (body) dermis
duct epidermis dermis epidermis
tube
pseudostratifiedEpi-
BM RNA BM 133 شپږم څپرکي پوست )جلد(
PAS-positive mucopoysacchrides mucoid
microvilli
myoepithelial basal lamina
duct epidermal epidermis
cholinergic myoepithelial Atypical sweat glands merocrine typical apocrine apocrine Apocrine (glans penis) (penis) (areola) Merocrine apocrine
apocrine a b (hair follicles) c
d 134 شپږم څپرکي پوست )جلد(
merocrine holocrine apocrine e
f adrenergic
cholinergic typical
cercuminous glands ciliary eyelids (wax) 1,5,9, glands