The Structure of Hair

Structure of Hair Dr. Ali N. Syed Dr. Narjis A. Askar www.dralisyed.com (revised July 3, 2008)

The Cuticle ,[object Object],[object Object],[object Object],[object Object],1. C.R. Robbins in chemical and Physical Behavior of Human Hair.

Structure of Cuticle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Endocuticle Exocuticle Epicuticle A-Layer CMC

Epicuticle ,[object Object],[object Object],[object Object],Epicuticle CMC

Surface Membrane of Cuticles Source:Menacham Lewin. 2007. P.339

A-Layer ,[object Object],[object Object],[object Object],[object Object],A-Layer CMC

Exocuticle ,[object Object],[object Object],Exocuticle CMC

Endocuticle ,[object Object],[object Object],[object Object],Endocuticle CMC

Cell Membrane Complex ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CMC

[object Object],Penetration through the cuticle layers

[object Object],Penetration through the Cuticle Layers Penetration through the cuticle layers

Passage of Shampoo and Conditioner Ingredients from Cuticle to Cortex ,[object Object],Passage of shampoos and conditioners CMC Endocuticle Exocuticle Epicuticle A-Layer

The Cortex ,[object Object],[object Object],[object Object],[object Object],[object Object]

Ortho and Para Cortical Cells – TMA Source: Menachem Lewin. (2007). Fiber Chemistry. P. 334

The Cortex – Hair Types ,[object Object],[object Object],[object Object],Orthocortex Paracortex Cortical CMC

Differences Between Ortho and Para Cortical Cells: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Paracortical Orthocortical

[object Object],[object Object],Differences Between Ortho and Para Cortex:

Hexagonal Array of Microfibrils. Source: Menachem Levin.2007: Fiber Chemistry, p344

The Intermediate Filaments or Microfibrils ,[object Object],[object Object],[object Object],[object Object]

CMC of the Cortical Cells ,[object Object],[object Object],[object Object],[object Object],Cortical CMC

The Macrofibrils ,[object Object],[object Object],[object Object],[object Object],[object Object],Macrofibrils Microfibrils Intermicrofibrillar matrix Matrix

The Matrix: ,[object Object],[object Object],Macrofibrils Microfibrils Intermicrofibrillar matrix Matrix

[object Object],[object Object],The Matrix:

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The Intermediate Filaments or Microfibrils . Protein Chain Coiled-coil (Dimer) Profilament (Tetramer) Protofibril (Octamer) Microfibril 70 A

[object Object],[object Object],[object Object],[object Object],[object Object],The Intermediate Filaments or Microfibrils

MICROFIBRIL Microfibril Protofibrils (4) Protofilament (8) Coiled - Coil (Dimer) (16) a Helix (32) Hierarchy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The  -Helix Dimer ,[object Object],[object Object]

The Polypeptide Chains ,[object Object],[object Object],[object Object]

The Amino acids ,[object Object],[object Object]

The Medulla ,[object Object],[object Object],[object Object]

The Melanin Granules ,[object Object],[object Object],[object Object],[object Object]

The Structure of Hair

Recommended

Recommended

More Related Content

What's hot

What's hot (20)

Similar to The Structure of Hair

Similar to The Structure of Hair (20)

Recently uploaded

Recently uploaded (6)

The Structure of Hair