Q.Comment on Acini of thyroid gland.

Step 1. The thyroid gland is made of two lateral lobes, each composed of many lobules.

Step 2. Each lobule in turn consists of numerous follicles, called acini (singular: acinus).

Step 3. Each acinus is lined with glandular epithelial cells that may be cuboidal or squamous in shape, and its central lumen is filled with a thick glycoprotein substance called colloid, made mainly of the protein thyroglobulin. …

Describe the acinus from the outside in — its position in the gland's hierarchy, its lini …

• Confusing the acinus (the follicle structure) with the parafollicular cells (a separate cell type between follicle …