Angioedema is caused by an allergic reaction to something you've eaten, an insect bite, pollen allergies, or a medication you've taken. 1  It causes a swelling of the lips, face, and tongue, which usually occurs rapidly. It can also sometimes be accompanied by redness or bumps (hives). Due to the swelling, you may have difficulty talking. Angioedema can also cause swelling of the airway and difficulty breathing, which may be life-threatening.
holocentric chromosome. (genetics). A chromosome with centromer; activity/spread along its entire length.1  Facebook.olocentric chromosome. (genetics). A chromosome with centromer; activity/spread along its entire length. 1  Facebook.
A geocentric theory is one that states the universe is centered by Earth. Geo means earth. The old Ptolemaic Model of the universe has earth as the center. A heliocentric thâ¦eory is one that is centered by a source of heat. Helio = heat. It basically states that the sun is the center of our galaxy.