This video provides a concise and well explained description of thyroid gland histology with the help of labelled diagrams and major dot points. The one more thing that this video tackles very well is the explanation of the relationship of the structure of the follicle with its functioning and how it can be appreciated on a histology slide. Timeline: 0:00 - Introduction (position and structure of the thyroid gland) 0:46 - Thyroid follicles and parafollicular cells 2:19 - Structure of thyroid gland 3:06 - Relationship of activity to the structure of follicle 4:16 - Hormones 4:55 - Parafollicular cells