General

General

General nature or nature terms.

Industry: Natural environment

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General

pancreatic islets

Biology; General

Clusters of endocrine cells in the pancreas that secrete insulin and glucagon; also known as islets of Langerhans.

The generally non-leafy part of the leaf that attaches the leaf blade to the stem; celery and rhubarb are examples of a leaf petiole that we use as food. The stalk connecting the leaf blade to the ...

petrifaction

Biology; General

Mode of fossilization where an organic matter is replaced with silica.

phagocytes

Biology; General

White blood cells that can engulf (by phagocytosis) and destroy microorganisms including viruses and bacteria; cells in this category include neutrophils and monocytes.

phagocytosis

Biology; General

A form of endocytosis in which white blood cells surround and engulf invading bacteria or viruses.

pharynx

Biology; General

The passageway between the mouth and the esophagus and trachea. Food passes from the pharynx to the esophagus, and air passes from the pharynx to the trachea.