Sentences with phrase «larva swim down»
After the beak of the mosquito is pulled out, the heartworm larva swim down the hole into the area under the skin (subcutaneous tissue) on the new host.
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Each tiny, free - swimming larva — also known as a planula — heads off and installs itself on a rock, which is carefully selected to allow it to hang head - down in the shade, and develops into a polyp.