Forensic Science Hair Microscopy Handbook Name: Structure of Hair stages of Growth



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Forensic Science
Hair Microscopy Handbook
Name:

Structure of Hair

3 Stages of Growth





1) Phase




2) Phase



3) Phase

Human vs. Animal: 3 Main Differences




Human Animal



1)

2)

3)

3 Scale Types



4 Types of Human Medulla




  1. Absent




  1. Fragmented



  1. Discontinuous



  1. Continuous


Racial Characteristics




  1. Caucasian




    • Shaft diameter:




    • Pigment:




    • Cross-section shape:




    • Cuticle thickness:




    • Configuration:___Negroid_____Shaft_diameter'>Configuration:___Mongoloid_____Shaft_diameter'>Configuration:


  1. Mongoloid




    • Shaft diameter:




    • Pigment:




    • Cross-section shape:




    • Cuticle thickness:




    • Configuration:


  1. Negroid




    • Shaft diameter:




    • Pigment:




    • Cross-section shape:




    • Cuticle thickness:




    • Configuration:

Somatic Origin

  • Head Hairs

____________________________________________________________________________________________________

____________________________________________________________________________________________________


  • Pubic Hairs

____________________________________________________________________________________________________

____________________________________________________________________________________________________


  • Limb Hairs

____________________________________________________________________________________________________

____________________________________________________________________________________________________
Facial Hairs


  • Beard/mustache

____________________________________________________________________________________________________

____________________________________________________________________________________________________


  • Eyebrow/Eyelash

____________________________________________________________________________________________________

____________________________________________________________________________________________________
Other Body Hairs


  • Chest Hairs

____________________________________________________________________________________________________

____________________________________________________________________________________________________

____________________________________________________________________________________________________

____________________________________________________________________________________________________
Hair Characterization Exercises
Slide # Human or animal?

Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):

Slide # Human or animal?



Root:

Configuration:

Shaft Diameter:

Color:

Pigment Size & Density:

Pigment Distribution:

Medulla:

Cuticle:

Race (if human):

Somatic origin (if human):



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