Colitis in Dogs. Colitis is an inflammation or irritation of the colon or large intestine and, you guessed it: it commonly causes diarrhea in our furry friends. Colitis can be acute (meaning it comes on suddenly) or chronic (lasting several weeks or longer, or recurring). There are several potential causes of colitis. They include:
Dopamine is a neurotransmitter released by the brain that plays a number of roles in humans and other animals. Some of its notable functions are in: 1  movement. 2  memory. 3  pleasurable reward. 4  behavior and cognition. 5  attention. 6  inhibition of prolactin production.
The hypothalamus regulates emotional responses through its influence on the pituitary gland, skeletal muscular system, and autonomic nervous system. Hypothalamus: Function. The hypothalamus is involved in several functions of the body including: Autonomic Function Control; Endocrine Function Control; Homeostasis; Motor Function Control