# Fusiform

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Spindle-like shape

[Spindle](/source/Spindle_(textiles)) with yarn

A *[lemon](/source/Lemon_(geometry))* in geometry

Look up ***[fusiform](https://en.wiktionary.org/wiki/fusiform)*** or ***[fusiformis](https://en.wiktionary.org/wiki/fusiformis)*** in Wiktionary, the free dictionary.

**Fusiform** (from Latin *fusus* ‘spindle’) means having a [spindle](/source/Spindle_(textiles))-like shape that is wide in the middle and tapers at both ends. It is similar to the [lemon-shape](/source/Lemon_(geometry)), but often implies a focal broadening of a structure that continues from one or both ends, such as an [aneurysm](/source/Aneurysm) on a [blood vessel](/source/Blood_vessel).

## Examples

- Fusiform, a body shape common to many [aquatic animals](/source/Aquatic_animal), characterized by being tapered at both the head and the tail[1]

- Fusiform, a classification of [aneurysm](/source/Aneurysm)

- Fusiform bacteria (spindled rods, that is, fusiform bacilli), such as the [Fusobacteriota](/source/Fusobacteriota)

- Fusiform [cell (biology)](/source/Cell_(biology))

- [Fusiform face area](/source/Fusiform_face_area), a part of the human visual system which seems to specialize in facial recognition

- [Fusiform gyrus](/source/Fusiform_gyrus), part of the temporal lobe of the brain

- [Fusiform muscle](/source/Fusiform_muscle), where the fibres run parallel along the length of the muscle

- Fusiform neuron, a spindle-shaped [neuron](/source/Neuron)

## References

1. **[^](#cite_ref-Ulanski_2003_p._93_1-0)** Ulanski, S.L. (2003). [*The Science of Fly-fishing*](https://books.google.com/books?id=8d6yECc8kpsC&pg=PA93). University of Virginia Press. p. 93. [ISBN](/source/ISBN_(identifier)) [978-0-8139-2210-2](https://en.wikipedia.org/wiki/Special:BookSources/978-0-8139-2210-2). Retrieved 13 July 2021.

## See also

- [Streamliner](/source/Streamliner), a fusiform hydro-/aero-dynamic vehicle. Historically, the adjective "streamlined" was more commonly used among designers for the word "fusiform".

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Adapted from the Wikipedia article [Fusiform](https://en.wikipedia.org/wiki/Fusiform) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Fusiform?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.