Answer to Question #285847 in Microbiology for Hamza

Question

There are three histologic specimens of cartilaginous tissue. Two of them are stained with

hematoxylin-eosin, and one histologic specimen is stained with orcein. What fibres and in what

type of cartilaginous tissue can be determined by such dyes? What functional properties of the

cartilaginous tissue do they cause?

Answer 1

Important Histological Stains Used in the Past and Present

• Carmine.
• Hematin and Hematoxylin.
• Silver Nitrate.
• The Hematoxylin and Eosin Procedures.
• Romanowsky Stains–Giemsa Stains.
• Gram Stain.
• Trichrome Stains.

Hyaline Cartilage- most abundant, support with flexability and resilience. Includes articular (covers bone ends), costal (connects ribs), respiratory, and nasal. 2. Elastic Cartilage- Has more stretchy fibers, able to stand repeat bending.