primary type

American  

noun

Biology.

1. a specimen used in the original description or illustration of a species.

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Example Sentences

Glucose is the primary type of sugar found in human blood, making it a key source of energy for cells.

From Science Daily

The researchers first conducted a series of experiments on keratinocytes from mice, which are the primary type of cells found in the skin.

From Science Daily

An estimated 5 to 10 percent of the population has Raynaud’s, the vast majority the primary type, according to the Raynaud’s Association.

From Washington Post

Mental health counseling is the primary type of care offered to transgender children before puberty.

From Seattle Times

For months, backyard travel — staycations on a longer leash — has been the primary type of tourism.

From Washington Post