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1. 2. Follicular cells (nuclei of). Colloid containing thyroglobulin / Stored thyroid hormone. 1. 2 (cells). 3. Thyroid follicles. Area of parafollicular or C cells. Colloid containing thyroglobulin. 1. 2. Acinar tissue. Pancreatic Islet. 1. 2. Acinar Tissue. Islets of Langerhans.
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1 2
Follicular cells (nuclei of) Colloid containing thyroglobulin / Stored thyroid hormone
1 2 (cells) 3
Thyroid follicles Area of parafollicular or C cells Colloid containing thyroglobulin
1 2
Acinar tissue Pancreatic Islet
1 2
Acinar Tissue Islets of Langerhans
Acinar tissue Enlargement of an Islet of Langerhans
1 2
Medulla 3 regions of the cortex
1 3 2 4 5
Cortex Cortex Cortex sinus Adrenal medulla
Endocrine cell inside the seminiferous tubule = 1 2 (whole thing) 3 (cells)
Endocrine cell in the seminiferous tubule = sustentacular /Sertoli Seminiferous tubules of testis Interstitial cells
Seminiferous Tubules of the Testes Area of sperm developing Cells with some sustentacular cells Interstitial cells lumen
2 1
Sustentacular cells among Sperm developing cells Interstitial cells (of Leydig)
1 2
4 3 1= whole structure 2
Corpus luteum Granulosa / Follicular cells Grafian / tertiary follicle antrum
1 2
Fluid filled antrum Granulosa / follicular cells
1 2 3 = Whole structure shown above
Fluid filled antrum Granulosa / follicular cells 3 = Grafian / tertiary follicle
3 1 2
Infundibulum / Pituitary stalk Pars distalis of anterior pituitary (red, blue and gray) Pars nervosa / Posterior pituitary / Neurohypophysis