You know. When amoebae push bits of themselves out to form false feet (what pseudopod means). Like when liquid is spilt on a table, and it snakes out an arm to try and escape off the edge onto your lap. If the cell was a stretchy rubber sack filled with rods that are continouously reconnecting and moving around, the pseudopod is formed when the sack is pushed and deformed into a smooth domed arm like process.
Pseu"do*pod (?), n. [Pseudo- + -pod.]
Any protoplasmic filament or irregular process projecting from any unicellular organism, or from any animal or plant call.
© Webster 1913.
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