histogen. n. 1. (Botany) (formerly) any of three layers in an apical meristem that were thought to give rise to the different parts of the plant: the apical meristem is now regarded as comprising two layers. See corpus, tunica.a Regenerative Medicine company) and is on the Surgical Faculty for the Procedural Dermatology Fellowship at the University of California at Irvine, Dermatology Faculty, Western University/Pacific Hospital, Long Beach, California and Michigan State University, Dermatology Faculty.
People with fluid in the lungs will experience the following signs and symptoms. 1  Fatigue. 2  Breathing difficulties. 3  Weakness. Cough. 4  Grunting. Pale 5  skin. Restlessness.  Excessive sweating.
Additional symptoms associated with POEMS syndrome include fluid buildup in the lungs (pleural effusion), and abnormal accumulation of fluid in the skin of the arms and legs and in the space (peritoneal cavity) between the two layers of the membrane that lines the stomach (ascites), fever, and clubbing of the fingers.