by Anne Marie Helmenstine, Ph.D. Updated June 13, 2014. Definition: A molecular orbital is an orbital or wavefunction of a molecule's electron. Electrons around a molecule can be associated with more than one atom and are often expressed as a combination of atomic orbitals.
Hereditary angioedema is a disorder characterized by recurrent episodes of severe swelling (angioedema). The most common areas of the body to develop swelling are the limbs, face, intestinal tract, and airway. Minor trauma or stress may trigger an attack, but swelling often occurs without a known trigger.
Treatment Strategies for Hereditary Angioedema. C1INH concentrate administration is preferred for acute treatment of HAE1 and HAE2 and has recently received US Food and Drug Administration (FDA) approval in the United States.Androgens such as danazol and oxandrolone are used for possible prevention of episodes.