Glandula parathyroidea (histological slide)
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The glandulae parathyroideae (parathyroid glands) are four small endocrine glands located behind the thyroid gland.
Histological description[edit | edit source]
On the parathyroid glands we recognize:
- Fiber Case
- forms the envelope of the corpuscles and sends a fibrous septa to the interior of the gland
- Chief Cells
- have a polygonal shape and vesicular cores
- the specimen is stained pale
- contain acidophilic cytoplasm that contains granules of irregular shape
- secretory granules of principal cells contain parathormone
- Oxyphilic cells
- have a polygonal shape
- compared to the main cells, they are larger
- it turns dark on the specimen
- there is an acidophilic granule in the cytoplasm
- the function of these cells is unknown
- Adipocytes
- they replace secretory cells with age, in older people they can make up over 50% of the gland's volume
Links[edit | edit source]
Related Articles[edit | edit source]
References[edit | edit source]
- JUNQUIERA, L. Carlos – CARNEIRO, José – KELLEY, Robert O.. Základy histologie. 1. edition. Jinočany : H & H 1997, 1997. 502 pp. ISBN 80-85787-37-7.
