Which prefix means 'Side'?

Which prefix means 'Side'?

• A. Rachi-
• B. Phobias
• C. Phot-
• D. Later-

Answer: (D)

The idea here is a directional prefix: later-. When you see later- in a medical term, it signals something related to the side. Think of terms like lateral (to the side) or bilateral (on two sides). This is how anatomy describes locations relative to the midline of the body. Rachi- means spine, so it points to a different structure rather than a side. Phobias is not a prefix at all but a plural form of phobia, which means fear. Phot- means light, as in photons or photophobia. Those prefixes describe other properties, not the side of the body. So later- is the correct prefix because it directly conveys the notion of side.

The idea here is a directional prefix: later-. When you see later- in a medical term, it signals something related to the side. Think of terms like lateral (to the side) or bilateral (on two sides). This is how anatomy describes locations relative to the midline of the body.

Rachi- means spine, so it points to a different structure rather than a side. Phobias is not a prefix at all but a plural form of phobia, which means fear. Phot- means light, as in photons or photophobia. Those prefixes describe other properties, not the side of the body.

So later- is the correct prefix because it directly conveys the notion of side.