#medical history
- Ab antiguo - An old graphical or medical variant for 'ab antiquo', meaning 'from ancient times' or 'since antiquity'. In a medical context, bioethics, and clinical deontology, it is used to refer to treatment principles, ethical rules (such as the Hippocratic Oath), or therapeutic practices that have been established and recognized as valid since ancient times.
- ab antique - A medieval graphical or alternative variant for the phrase 'ab antiquo', meaning 'since antiquity'. In clinical medical language and bioethics, it refers to customs, ancestral deontological standards, or patient-care principles passed down through generations, whose moral authority is recognized due to their age.
- Abbate - Clinical references associated with the name Abbate in medical literature refer to early case studies in European psychopathologies or rare eponymic descriptions of clinical signs associated with motor dynamics and reflex disorders in neuropsychiatric conditions.
- Abdallah ibn Mohammed - Emir of Cordoba (888–912) during whose reign the administrative foundations for urban and sanitary stability were laid, later enabling the development of major medical and pharmacological centers in Al-Andalus.