'Melanin pigment' presentation slideshows

Bayesian Cognition Winter School Chamonix, January 6-11, 2008

1.27k views • 113 slides

Integumentary System

Integumentary System. The Skin. Integumentary System. AKA: skin Also called a membrane (because it covers the body) and an organ (because it contains several kinds of tissues) Avg : covers more than 3,000 sq in of surface area Accounts for 15% of total body weight. 3 Layers of the Skin.

596 views • 53 slides

Chapter 5 The Integumentary System

Chapter 5 The Integumentary System. Skin and its accessory structures structure function growth and repair development aging disorders. General Anatomy. A large organ composed of all 4 tissue types 22 square feet 1-2 mm thick Weight 10 lbs. Overview. 2 Major layers of skin

1.98k views • 49 slides

Chapter 10

Chapter 10. Special Senses. Special Senses. Touch Vision Hearing Smell Taste . Sensory Receptors. Stimulated by changes in the environment Generalized in body Touch, pain, temperature and pressure (proprioceptors). Sensory Receptors. Specific receptors Taste buds of the tongue

723 views • 46 slides

Integumentary System

Integumentary System. Made up of:. Skin Hair Nails Associated Glands. Functions:. Protection Keeps the body from drying out Stores fatty tissues to be used as an energy source Produces vitamin D with the help of sunshine to aid in proper bone and teeth growth

400 views • 30 slides

GP lab VI

GP lab VI. Mineral & Pigments. Pigment. Endogenous pigment malarial pigment, melanin pigment, hemosiderin pigment, lipofusin Exogenous pigment coal dust (anthracosis). Malarial pigment. Anthracosis. Hemosiderin pigments. Melanin pigments.

400 views • 23 slides

The normal histologic appearance of the skin

The normal histologic appearance of the skin.

281 views • 22 slides

Albinism

v icky s. wang. Albinism. Albinism is a defect of melanin production that results in little or no color (pigment) in the skin, hair, and eyes .

719 views • 15 slides

Pigmentation in humans ( melanin cells )

Pigmentation in humans ( melanin cells ). Presented by:- Tshering Yangden Aitasingh Singer Myself. Different colours of human. Outline. Introduction Location of melanin Types Structures Functions How does it synthesize How does it distribute

742 views • 13 slides

Cellular blue nevus

Cellular blue nevus. Deba P Sarma, MD Omaha. F 39, left buttock. Normal epidermis, infiltrating dermal tumor. Less cellular area of spindle cells in the upper dermis. Highly cellular part in the subcutis. Cellular area composed of spindle cells.

324 views • 8 slides

Skin Color Factors

Skin Color Factors. Melanin - Pigment in skin, eyes, hair Carotene - a copper-colored pigment Skin Thickness Reflection of Blood Vessels. Skin Color Distribution. Why? Natural Selection. Reduces frequency of skin cancer

327 views • 3 slides