Express the Dosage Using the Official Symbol/abbreviation

question 21

Short Answer

Express the dosage using the official symbol/abbreviation.
twenty units

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Definitions:

Periosteum

The bones are wrapped in a heavy connective tissue layer, filled with blood vessels, except at joint areas.

Trabeculae

The network of irregularly shaped bony plates or struts within spongy bone, helping to distribute stress and support weight.

Spongy Bone

A type of bone tissue with a porous structure found at the ends of long bones, within the spinal vertebrae, and in the pelvic bones, which helps reduce the weight of the bones and contains bone marrow.

Compact Bone

The dense, hard outer layer of bone that provides strength and protection to the skeletal structure.