Beta-Blockers. Beta blockers can be helpful in the treatment of the physical symptoms of anxiety, especially social anxiety. Physicians prescribe them to control rapid heartbeat, shaking, trembling, and blushing in anxious situations for several hours.Possible Benefits.Very safe for most patients. Few side effects.sed for short-term relief of social anxiety. May reduce some peripheral symptoms of anxiety, such as tachycardia and sweating, and general tension, can help control symptoms of stage fright and public-speaking fears, has few side effects. Possible Disadvantages. See disadvantages-Beta-Blockers, above.
noun. Xylem vessels in a leaf skeleton. Xylem vessels in a leaf skeleton. Xylem is a type of tissue in plants that carries water. An example of xylem is what moves water and some nutrients through a plant.
The differentiation of xylem culminates in the death of the participating cells, and the vessels are formed of chains of empty walls. This is an example of âprogrammed death,â not an uncommon phenomenon in plant and animal development.