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[parafollicular] képek

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RF
Calcium homeostasis. Calcium balance and Bone mineralization. Calcitonin, Parathyroid hormone PTH and Vitamin D metabolism. Vector poster-stock-foto
RM
Histology of thyroid gland, follicles, colloid, thyroglobulin, lodothyroglobulin, parafollicular or (C) cells, follicular, 3d render-stock-foto
RF
Calcium metabolism. vector illustration about how level of the calcium in plasma is regulated by the hormones parathyroid hormone (PTH) and calcitonin-stock-foto
RF
vitamin D, and Calcium homeostasis. Parathormone (PTH) secreted by the parathyroid glands that located on the back of the thyroid gland. vector-stock-foto
RF
3D image of Calcitonin skeletal formula - molecular chemical structure of  peptide hormone isolated on white background-stock-foto
RM
. Bonner zoologische Monographien. Zoology. 42 300 200 100 3 5 7 9 11 1 3 months Fig. 26: Seasonal changes of endocrine glands (volumes of nuclei) in bats (Myotis myotis, Rhinolophus hipposideros). Adapted from Dörfler (1971). Am = adrenal medulla, Zf = zona fasciculata, P = parathyroid, IL = islets of Langerhans, T ="â thyroid. C-cells of the thyroid: The parafollicular C-cells contain calcitonin and serotonin. During hibernation they are inactive and store the hormones (Dörfler 1971, Nunez and Gershon 1972). During aestivation the number of the cells is increased. In marmots an annual-stock-foto