dr. david morton - session 4 (day 2)
TRANSCRIPT
David Morton, Ph.D.
The Integumentary System and You
David A. Morton, Ph.D.
Objectives
Integument Mangosteen
Integumentary system
Skin
Layers of the Skin
1. Epidermis
Layers of the Skin
2. Dermis
Layers of the Skin
3. Hypodermis
Layers of the Skin
Layers of the Skin
Epidermis
AvascularEpidermis. No vessels
Dermis. Vessels
Epidermis
Stratified layers of skin cells
First line of immune defense
The Epidermis is like a castle wall …
The Epidermis is not like a castle wall …
Epidermis
Stratified layers of skin cells
Epidermis
Stratified layers of skin cells
Epidermis
Stratified layers of skin cells
Epidermis
Stratified layers of skin cells
Epidermis
Stratified layers of skin cells
Epidermis
Stratified layers of skin cells
Epidermis
Stratified layers of skin cells
Epidermis
DermisHair follicle
Sebaceous gland
Epidermis
Dermis
Flaking paint
Sloughs off top layer of dead cells
+ =
CallousEpidermis
The Epidermis is like …The Epidermis is not like a rain coat …
The Epidermis is like …The Epidermis is not like shoes…
+ =Peeling skin
Have you heard that 90% of household dust is human skin?
Epidermis
Sweat gland. Sweat
Sweat gland. Sweat
Epidermis
Pore
Sweat gland. Sweat
Epidermis
Sweat gland. Sweat
Epidermis
Sweat gland. Sweat
Epidermis
Evaporative cooling
Epidermis
Sebaceous glands. Sebum
Epidermis
Sebaceous glands. Sebum
Epidermis
Oily secretion
Protects skin and hair
Sweat glands
Sebaceous glands
Dead skin cells
Epidermis
Comedo
Comedo
Comedo
ExfoliationRemoves top layer of dead skin cells
Leaves skin looking brighter
ExfoliationImproves effectiveness of the skin products
Salicylic acid
When applied to the skin helps to shed dead cells from the top
Decreases redness, swelling and number of pimples
Dermis
Layers of the Skin
Epidermis
Dermis
Hypodermis
Layers of the SkinDermis
Integument Mangosteen
MangosteenLocation
Mangosteen
Mangosteen
MangosteenPulp (fruit)
Pericarp (peel)
Xanthones
Pulp (fruit)
MangosteenPulp (fruit)
MangosteenPulp (fruit)
"The mangosteen has only one fault;
it is impossible to eat enough of it, but,
strictly speaking, perhaps that is a defect in
the eater rather than in the fruit."
-E. Mjoberg, Ph.D.
(1882-1938)
MangosteenPulp (fruit)
"...an abundant white, juicy pulp, soft, sweet,
… recalls that of a fine peach, grapes, and
something peculiar and indescribable which no
other fruit has."
- Odoardo Beccari, Ph.D.
1843-1920
MangosteenPericarp (peel)
Xanthones
MangosteenAnti-inflammatory Immune
Thank-you