orthostatism التعريفات والمعاني == English == === Noun === orthostatism (uncountable) (uncommon) Synonym of orthostasis (“an upright standing position”). ==== Related terms ==== شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة orthostatisme orthostatismes orthostatic orthostasis orthostates orthostatique orthostatic hypotension orthostatiques orthosterism