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Stoma. Close-up of a pore in the epidermis of leaves
Guard cells of stoma
Stomata on a onion
Opening and closing of stoma. anatomy of stomatal complex
Stomata
Microscopic photograph of under side of Zebrina pendula leaf showing stoma
Plant guard cells with stoma fully labeled.
Rectal cancer and stoma
Water port
Stomata on a Leaf
3d illustration of human stomach anatomy
Water port
Bowel cancer and stoma
Old Crop collector
Teasing little girl
Medical stoma pouches
Leaf stomata
Macro shot of green leaf with red vein
Rectal cancer and stoma
Structure of stomatal complex with open and closed stoma
Woman With a Colostomy Bag
Colostomy
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![Old Crop Collector, Island of Stoma, Caithness, Scotland, UK.The Island of Stroma or Stroma is an island off the northern coast of the mainland of Scotland. It is the most southerly of the islands in the Pentland Firth between the Orkney Islands and Caithness, the northeasternmost part of the mainland. Stroma is part of the county of Caithness. The name is from the Old Norse Straumr-øy meaning "island in the [tidal] stream". Ancient stone structures testify to the presence of Stroma's earliest residents, while a Norse presence around 900–1,000 years ago is recorded in the Orkneyinga Saga. It has been politically united with Caithness since at least the 15th century. Although Stroma lies only a few miles off the Scottish coast, the savage weather and ferociously strong tides of the Pentland Firth meant that the island's inhabitants were very isolated, causing them to be largely self-sufficient, trading agricultural produce and fish with the mainlanders. Most of the islanders were fishermen and crofters; some also worked as maritime pilots to guide vessels through the treacherous waters of the Pentland Firth. The tides and currents meant that shipwrecks were frequent—the most recent occurring in 1993—and salvage provided an additional though often illegal supplement to the islanders' incomes. A lighthouse was built on Stroma in 1890 and still operates under automation. Stroma is now abandoned, with the houses of its former inhabitants unoccupied](https://images.stockfreeimages.com/thumb/04h4twj7x5.jpg)
