Hepatic portal system Hepatic portal system In human anatomy, the hepatic portal system is the system of veins comprising the hepatic portal vein and its tributaries. It is also called the portal venous system, although it is not the only example of a portal venous system, and splanchnic veins, which is "not" synonymous with "hepatic portal system" and is imprecise (as it means "visceral veins" and not necessarily the "veins of the abdominal viscera"). The portal venous system is responsible for directing blood from parts of the gastrointestinal tract to the liver. Substances absorbed in the small intestine travel first to the liver
Adjective phrase phrase: The following trees illustrate the structure of head-medial adjective phrases: Adjective phrase An adjective phrase (or adjectival phrase) is a phrase the head word of which is an adjective, e.g. "fond of steak", "very happy", "quite upset about it", etc. The adjective can initiate the phrase (e.g. "fond of steak"), conclude the phrase (e.g. "very happy"), or appear in a medial position (e.g. "quite upset about it"). The dependents of the head adjective—i.e. the other words and phrases inside the adjective phrase—are typically adverb or prepositional phrases, but they can also be clauses (e.g. "louder than you are"). Adjectives