stoma

Definitions

Agriculture

  • noun a pore in a plant, especially in the leaves, through which carbon dioxide is taken in and oxygen is sent out. Each stoma in a leaf is surrounded by a pair of guard cells, which close the stomata if the plant needs to conserve water.

Food

  • noun an opening created surgically, especially in the abdomen to allow a feeding tube to be inserted

Medical

  • noun any opening into a cavity in the body
  • noun the mouth
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