-ab

Prefix: ab-

Short Definition

Away from or departing from.

Long Definition

The prefix ab- indicates movement or direction away from a structure. It is commonly used in anatomical descriptions and procedural terminology.

Etymology

• Latin ab → “from, away from”
• latin
• a- (rarely) before certain consonants
• abs- before “c” and “t”

Related Terms

Term	Meaning
ad-	toward
abduction	movement away from midline

Common Medical Terms

• Abduction - movement away from the midline
• Abnormal - away from normal
• Ablation - removal or destruction away from original tissue

Documentation Clues

• “Moved away”
• “Deviation from normal”

Coder’s Notes

Important in musculoskeletal coding for describing movement direction.

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DERIVATIONS of ab-

TABLE definition AS Definition 
WHERE length(filter(roots, (word) => econtains([[]].roots, word))) > 0 AND file.name !=[[]].file.name
SORT file.name ASC

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Query

TABLE definition AS Definition
FROM #medroot
WHERE length(filter(definition, (word) => econtains([[]].definition, word))) > 0 AND file.name != [[]].file.name

Med roots dictionary Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms