
Some people have an additional nail on their small toe, known as an accessory nail of the fifth toe, a double nail of the fifth toe (DNFT) or a petaloid toenail. The extra nail averages 2-7mm in length and can be cut with a nail clipper. The condition is considered common but underreported, and was first described in a 1969 paper by M. Hundeiker.
| Characteristics | Values |
|---|---|
| Name | Accessory nail of the fifth toe, double nail of the fifth toe (DNFT), or petaloid toenail |
| Description | A minuscule sixth toenail present in the outer corner of the nail situated on the smallest toe |
| Prevalence | Common, but underreported |
| Length | 2-7 mm |
| Appearance | Short and wide |
| Nail bed | Shared with the main toenail |
| Growth | Vertical |
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What You'll Learn

Accessory nail of the fifth toe
The accessory nail of the fifth toe, also known as a double nail of the fifth toe (DNFT) or a petaloid toenail, is a physical trait of the small toe, where a minuscule sixth toenail is present in the outer corner of the nail situated on the smallest toe. The trait can be observed on either one or both feet where there is a lengthwise separation of the toenail on the corner of the smallest toe. The smaller sixth toenail separates from the main toenail on the outermost side of the foot, and protrudes outwards from the corner. This additional nail can be cut with a nail clipper and averages 2-7mm in length. The entire nail of the small toe is usually short and wide, and both nails often share the same nail bed. Although understudied and underreported, its prevalence is common. The accessory nail was first described in a 1969 paper by M. Hundeiker.
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Double nail of the fifth toe (DNFT)
The accessory nail of the fifth toe, also known as a double nail of the fifth toe (DNFT) or a petaloid toenail, is a physical trait of the small toe. It is a common but underreported phenomenon, where a minuscule sixth toenail is present in the outer corner of the nail situated on the smallest toe. The trait can be observed on either one or both feet, where there is a lengthwise separation of the toenail on the corner of the smallest toe. The smaller sixth toenail separates from the main toenail on the outermost side of the foot and protrudes outwards from the corner. The additional nail averages 2-7 mm in length and can be cut with a nail clipper. The entire nail of the small toe is usually short and wide, and both nails often share the same nail bed.
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Petaloid toenail
The accessory nail of the fifth toe, also known as a double nail of the fifth toe (DNFT) or a petaloid toenail, is a physical trait of the small toe, where a minuscule sixth toenail is present in the outer corner of the nail situated on the smallest toe. The trait can be observed on either one or both feet where there is a lengthwise separation of the toenail on the corner of the smallest toe. The smaller sixth toenail separates from the main toenail on the outermost side of the foot, and protrudes outwards from the corner. The entire nail of the small toe is usually short and wide, and both nails often share the same nail bed. The accessory nail was first described in a 1969 paper by M. Hundeiker. Its occurrence is considered common but underreported.
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The entire nail of the small toe is usually short and wide
The accessory nail of the fifth toe, also known as a double nail of the fifth toe (DNFT) or a petaloid toenail, is a lengthwise separation of the toenail on the corner of the smallest toe. The smaller sixth toenail separates from the main toenail on the outermost side of the foot and protrudes outwards from the corner. This trait can be observed on either one or both feet.
Some people with small toe nails find it difficult to apply nail polish to them. One solution to this problem is to apply a bit of polish to the skin, which can make the toenail appear larger and more noticeable. Additionally, the small toenail grows vertically, so when it is grown out, more of the underside of the nail is visible than the top.
The presence of an accessory nail on the fifth toe has been observed in descendants of children adopted by Yin Wang.
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The nail grows vertically
The accessory nail of the fifth toe is also known as a double nail of the fifth toe (DNFT) or a petaloid toenail. This physical trait of the small toe involves a minuscule sixth toenail in the outer corner of the nail situated on the smallest toe. The additional nail averages 2-7mm in length and can be found on one or both feet. While it is considered common, it is underreported and understudied.
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Frequently asked questions
It means you have small toes!
This is known as an accessory nail of the fifth toe, or a double nail of the fifth toe (DNFT). It is a common but underreported physical trait.
It is considered common but underreported.
It averages 2-7mm in length.
Yes, but it can be difficult to get the polish on them. One trick is to get a bit of polish on the skin, which can make the toenail look bigger.











































