Specimen

SPECIMEN DETAILS:

Organ: Kidney
Origin: Human
Staining: Carmine red

METHOD AND SPECIMEN DESCRIPTION:

Normal histological section of the kidney following intravenous injection of Carmine red.

OBJECTIVE OF THE EXAMINATION:

To study the vascular structure of the kidney and the glomeruli, particularly their connections to the afferent and efferent arterioles.

Special Features of the Specimen:

General: Carmine red is injected intravenously and accumulates within the blood vessels and the capillary loops of the glomeruli. This allows for a clear overview of:

• The distribution and number of glomeruli within the cortex, and
• The relationship between the glomerular capillary loops and their afferent (incoming) and efferent (outgoing) arterioles.

TASKS:

1. Obtain an overview of the gross structure of the kidney, identifying the capsule, cortex, and medulla.
2. Examine the capillary loops of the renal corpuscles within the cortex.
3. Identify and trace their connections to the afferent and efferent arterioles.

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