Diffusion refers to the net movement of molecules from higher to lower concentration. Diffusion may be a simple diffusion or . A simple diffusion is one in which that occurs unassisted. Facilitated diffusion in contrast is an assisted diffusion in a way that it requires a carrier molecule. For instance, polar molecules diffuse across a cell membrane through carrier molecules in the cell membrane.
Symptoms of Thanatophobia. The mere mention of death or images or thoughts thereof can trigger a crippling anxiety in the patient. Physical Symptoms: Dizziness, dry mouth, sweating, palpitations, nausea, stomach pain, trembling, sensation of choking, chest pain or discomfort, hot or cold flashes, numbness and tingling sensations.
Anxiety, Bloating or fullness and Nausea or vomiting. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms anxiety, bloating or fullness and nausea or vomiting including Generalized anxiety disorder, Gastritis, and Panic attack. There are 73 conditions associated with anxiety, bloating or fullness and nausea or vomiting. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions. 1  Generalized anxiety disorder.