An exposure pathway-describes a unique mechanism by which an. individual or population is exposed to chemical or physical agents at or originating from. a site. Each exposure pathway includes a source or release from a source, an exposure. point, and an exposure route.
Terminology: Young cattle are called calves. A young male is called a bull calf; a young female before she has calved the second time is called a heifer (pronounced heffer). A young female that has had only one calf is sometimes called a first-calf heifer..
8 Contributions. A young girl horse is called a filly, and a young male is called a colt. An adult female is called a mare, and an un-castrated adult male is called a stallion. A castrated aduâ¦lt male is called a gelding. 21 people found this useful.