Which morpheme means 'lower back'?

Which morpheme means 'lower back'?

• A. Lumb(o)
• B. Lux(o)
• C. Lumph(o)
• D. Laryng(o)

Answer: (A)

The morpheme for the lower back is lumb/o. It comes from Latin lumbus meaning loin or lower back and appears in terms like lumbar region or lumbar spine, indicating that area. The other options don’t denote that region: lux/o isn’t a standard anatomical combining form and is related to light in other contexts; laryng/o refers to the larynx (voice box); and lumph/o isn’t a recognized combining form for anatomy (it’s easy to confuse with lymph/o, which relates to the lymphatic system). So lumb/o is the correct form for “lower back.”

The morpheme for the lower back is lumb/o. It comes from Latin lumbus meaning loin or lower back and appears in terms like lumbar region or lumbar spine, indicating that area. The other options don’t denote that region: lux/o isn’t a standard anatomical combining form and is related to light in other contexts; laryng/o refers to the larynx (voice box); and lumph/o isn’t a recognized combining form for anatomy (it’s easy to confuse with lymph/o, which relates to the lymphatic system). So lumb/o is the correct form for “lower back.”