cone
(kōn)
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[Gr. kōnos, pine cone]
1. A solid or hollow three-dimensional figure with a circular base and sides sloping up to a point.
2. In the outer layer of the retina, any of the flask-shaped cells that are stimulated by the wavelengths of light of different colors. The cones are essential for color discrimination.
SYN: SEE: retinal cone; SEE: cone cell
SEE: retina for illus.; SEE: rod; SEE: rod cell
3. A hollow, tapered, cylindrical device used in upper-extremity exercise to improve grasp, coordination, and range of motion.
4. A device on a dental radiography machine that indicates the direction of the central beam and helps to establish the desired source-to-film distance.
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Citation
Venes, Donald, editor. "Cone." Taber's Medical Dictionary, 24th ed., F.A. Davis Company, 2021. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761872/all/cone.
Cone. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2021. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761872/all/cone. Accessed October 3, 2024.
Cone. (2021). In Venes, D. (Ed.), Taber's Medical Dictionary (24th ed.). F.A. Davis Company. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761872/all/cone
Cone [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2021. [cited 2024 October 03]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/761872/all/cone.
* Article titles in AMA citation format should be in sentence-case
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