Csi Hair And Microscope Vocabulary Terms

Front 1

Arm

Back 1

supports the tube and connects it to the base

Front 2

Base

Back 2

the bottom of the microscope; used for support

Front 3

Illuminator

Back 3

a steady light source (110 volts) used in place of a mirror

Front 4

Stage

Back 4

the flat platform where you place your slides; stage clips hold the slides in place; if mechanical, you will be able to move the slide by turning knobs

Front 5

Revolving Nosepiece or Turret

Back 5

the part that holds two or more objective lenses and can be rotated to easily change power

Front 6

Objective Lenses

Back 6

4X, 10X, and 400X power lenses that can be combined with the eyepiece for a greater magnificatin; shortest lens=lowest power and longest lens= hightest power

Front 7

Rack Stop

Back 7

adjustment that determines how close the objective lens can get to the slide

Front 8

Condenser Lens

Back 8

focuses the light onto the specimen; most useful at the highest power; provides a sharper image but with one less focus item to work with

Front 9

Diaphragm or Iris

Back 9

rotating disk under the stage with different sized holes used to var the intensity and size of the cone of light that is projected upward at the slide

Front 10

Hair Cuticle

Back 10

outer layer of the hair shaft; composed of dead, keratin-filled cells that form scales on the surface of the hair; protects the hair from damage unless dyed or bleached

Front 11

Hair Cortex

Back 11

lies just inside the cuticle; hair pigment is scattered throughout

Front 12

Hair Root

Back 12

part of the hair beneath the dermis; where hair pigment originates

Front 13

Hair Follicle

Back 13

nourished by blood vessels; attached to the sebaceous glands

Front 14

Debaceous Glands

Back 14

secrete oil for the hair and skin

Front 15

Hair Shaft

Back 15

the exposed part of the hair above the dermis