| EC | Extra-Cranial |
|---|---|
| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; emergency center; endemic cretinism; endocrine cells; endothelial cell; energy charge; enteric coating; entering complaint; enterochromaffin; entorhinal cortex; Enzyme Commission; epidermal cell; epithelial cell; equalization-cancellation; error correction; Escherichia coli; esophageal carcinoma; excitation-contraction; experimental control; expiratory center; extended care; external carotid [artery]; external conjugate; extracellular; extracellular concentration; extracorporeal; extracranial; eye care; eyes closed |
| Ec | ectoconchion |
| EC-IC | extracranial-intracranial |
| EC-IC bypass | Extra-Cranial Intra-Cranial bypass |
| EC50 | median effective concentration |
| ECA | External Carotid Artery |
| ECA | electrical control activity; electrocardioanalyzer; endothelial cytotoxic activity; enterobacterial common antigen; epidemiological catchment area; esophageal carcinoma; ethacrynic acid; ethylcarboxylate adenosine; external carotid artery |
| ECAO | enteric cytopathogenic avian orphan [virus] |
| ECAQ | elderly cognitive assessment questionnaire |