The parenteral route of medicinal agent administration is rectal. This is because all other than this are associated with consumption inside the body either orally or inhalation.
What do you mean by Parenteral Route?
The parenteral route may be defined as any non-oral means of administration that bypasses the skin and is inserted into the mucous membrane.
Oral, sublingual, and inhalation are associated with gut administration and follow the process of consumption through the mouth or nasal cavity.
Therefore, The parenteral route of medicinal agent administration is rectal.
To learn more about the Parenteral route, refer to the link:
https://brainly.com/question/14400757
