70. Exogenous pigments

Question 1

Give the exogenous pigment types

Answer 1

1. Pneumoconiosis
2. Tattooing
3. per os

Question 2

Pneumoconosis

Answer 2

Pigment enters the body aerogenously
* Alveolar macrophages accumulates these pigments
* inhaled pigments can also reach regional lymph nodes

Anthracosis → Fine coal
Siderosis → Iron
Chalicosis → Calcium carbonate particles
Silicosis→ Silica particles
Asbestosis → Asbestos fibre
Tabacosis→ Tobacco

Question 3

Tattoing

Answer 3

Pigmentation through skin wounds

Question 4

Per Os (Drugs, feed)

Answer 4

Blackberry→ Skin and tendons
Pannage → Fascia and mesenteric lymph nodes
Alizarin → Associated with osteogenesis
* Derived from madder plant
Pseudoicterus → Karotenoids

Picric acid → Yellow
Tripaflavin → Yellow
Trypan blue → Tendons