thin type thick type Keratinized adnexa hair nail Nonkeratinized adnexa small ID: 781283
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Slide1
INTEGUMENTARY SYSTEM
Skin thin type thick type Keratinized adnexa hair nailNonkeratinized adnexa small sweat glands great sweat glands sebaceous glands mammary glands
Slide2Skin (
integumentum)Epidermisstratum corneum proprium(stratum lucidum)stratum granulosumstratum spinosumstratum basale
Dermis (corium)pars papillarispars reticularis
Hypodermis
Slide3Epidermis
dermismelanocytes
Slide4melanocytes
melanin
Slide5Thin
skin Thick skinOccurrence: palma manus, planta pedis
Slide6https
://dentalday.wikispaces.com/ Skin glands small sweat (ecrine) large sweat(apocrine) sebaceous (holocrine) Gll. sebaceaeGeneral structure
of glands:excretory portion
(ducts)secretory
portion -
glandular cells
- myoepithelial cells
Gll
.
sudoriferae
Slide7SWEAT GLANDS
(gll. sudoriferae) small eccrine
SWEAT
–
H
2
O, NaCl2, NH3,
urea, uric acid,
proteins
Slide8SWEAT GLANDS
(gll. sudoriferae) large apocrine
after
pubery
complete sweat
–pheromones, fats
, steroids; under
hormonal influence
Slide9Skin
from axilla – great sweat glands (apocrine, aromatic)
Slide10Sebaceous
glands (HES)
hair follicle
m.
arrector
pili
Slide11Sebaceous
glands (HE)
Slide12Mamma
non lactans (HE)
Slide13Mamma non lactans (HE)
Slide14Mamma
lactans (HE)
Slide15Skin
from axilla (HE)
Slide16m. arrector pili
Hair (HES)
Slide17Hair
– bulbus pili with melanocytes (HES)
Slide18Hair
– bulbus pili with melanocytesy, papilla pili (HES)
Slide19Hair
(eng) – Vlas (cs) – Pilus (lat)2 13dermal sheath (1)outer epithelial sheath(2)HenleHuxley
cuticle of sheath
cuticle of
hair cortex
medulladermal papilla
blood capillaries
inner
epithelial
sheath
(
3
)
hair
melanocyte
Slide20Nail
(eng) – Nehet (cs) – Unguis (lat) – Onyx (gr)
Slide21Nail
(eng) – Nehet (cs) –Unguis (lat) – Onyx (gr)Longitudinal sectionCross sectionvallum unguis nail plate
sulcus unguis
epidermal
bed
dermal
bad
bone
Slide22INTEGUMENTARY SYSTEM
Slides:69. Skin from tip of finger70. Skin from axilla71. Skin with hair72. Nail73. Mamma non-lactans74. Mamma lactans
Slide23Development
of epidermis and coriumectoderm basal intermediate layer periderm layermesenchyme primitive differentiated dermis dermis
differentiated epidermis
Slide24Development
of sweat glandsepidermis ectodermal budectodermal pegdevelopment of lumen in glandular ductsconvolution of secretory portion
Slide25Development
of mammary line and glandB, C: primary and secondary ectodermal buds ingrowth mesenchyme
Slide26Development
of hair and sebaceous gland pegbud hair bulb hair follicle hair root sebaceous gl. papillamesenchymeepidermis