Human lung slide, section

Shows squamous cell carcinoma in lung tissue.

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This stomach section shows mucosa and submucosa layers.

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This human liver section shows bile-secreting hepatocytes (the tiniest purple dots are their nuclei) and bile canaliculi, the winding "canals" that carry along the bile.

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This human tonsil section slide exhibits lymph nodules (the ring of dark-purple ovals) and epithelial tissue.

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Can see seminiferous tubules and spermatogenia (which produce a spermatocyte through mitosis, which undergoes meiosis I & II to produce four spermatids with 23 non-duplicated chromosomes).

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