Proboscis. proboscis. 1. (Science: zoology) A hollow organ or tube attached to the head, or connected with the mouth, of various animals, and generally used in taking food or drink; a snout; a trunk. The proboscis of an elephant is a flexible muscular elongation of the nose.The proboscis of insects is usually a chitinous tube formed by the modified maxillae, or by the labium. 2. (Science: zoology) By extension, applied to various tubelike mouth organs of the lower animals that can be everted or protruded.he proboscis of an elephant is a flexible muscular elongation of the nose. The proboscis of insects is usually a chitinous tube formed by the modified maxillae, or by the labium.
California currently has 53 members in the US  House of Representatives. That number will be adjusted after the  2020 US Census, effective with the 2022 elections.  Califo â¦ rnia has 55 representatives.
The California State Senate is the upper house of the California State Legislature. There are 40 senators. Each senator serves terms of four years. They are limited to a maximum of two terms. Like the U.S. Senate, elections are staggered so half of the State Senate is up for election every two years.