WordNet

either of the corners of the eye where the upper and lower eyelids meet
any plant of the genus Acanthus having large spiny leaves and spikes or white or purplish flowers; native to Mediterranean region but widely cultivated
angelfishes (同)genus Pomacanthus
bears breeches

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目の両端(目がしら及び目尻)
アカンサス,ハアザミ / (建築物の柱頭の)アカンサス葉飾り

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/11/05 15:29:33」(JST)

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Canthus (pl. canthi, palpebral commissures) is either corner of the eye where the upper and lower eyelids meet.^[1] More specifically, the medial and lateral canthi would be described as the medial and lateral ends/angles of the palpebral fissure. (Edit - Where as medial and lateral are the appropriate positional terms for most of the body, the preferred terminology for the eye is inner and outer for the canthus. Eg. Inner Canthus or Outer Canthus.)

The bicanthal plane is the transversal plane linking both canthi and defines the upper boundary of the midface.

Commissures

The lateral palpebral commissure (commissura palpebrarum lateralis; external canthus) is more acute than the medial, and the eyelids here lie in close contact with the bulb of the eye.

The medial palpebral commissure (commissura palpebrarum medialis; internal canthus) is prolonged for a short distance toward the nose, and the two eyelids are separated by a triangular space, the lacus lacrimalis.

Surgery

Canthoplasty refers to a plastic surgery of the medial and/or lateral canthus.

A canthotomy involves cutting the canthus, often performed to release excessive orbital pressure (i.e., from orbital hemorrhage or infection).

Pathology

"Dystopia canthorum" is a lateral displacement of the inner canthi of the eyes, giving an appearance of a widened nasal bridge.^[2] Dystopia canthorum is associated with Waardenburg syndrome.^[3]

References

^ "canthus" at Dorland's Medical Dictionary
^ Genetic Hearing Loss from UTMB, Dept. of Otolaryngology. DATE: March 17, 2004. RESIDENT PHYSICIAN: Jing Shen. FACULTY PHYSICIAN: Ronald W. Deskin, MD. SERIES EDITORS: Francis B. Quinn, Jr., MD and Matthew W. Ryan, MD.
^ Tagra S, Talwar AK, Walia RL, Sidhu P (2006). "Waardenburg syndrome". Indian J Dermatol Venereol Leprol 72 (4): 326. doi:10.4103/0378-6323.26718. PMID 16880590.

External links

Diagram at sheinman.com
Diagram at solobambini.com (measure of Pupillary distance)

This article about the eye is a stub. You can help Wikipedia by expanding it.

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English Journal

Water nanodroplets make a greater contribution to facial skin moisture levels in air-conditioned rooms during winter than in summer.

Ohno H1, Nishimura N, Yamada K, Shimizu Y, Nishimura R, Iwase S, Sugenoya J, Sato M.
Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI).Skin Res Technol.2015 May;21(2):207-13. doi: 10.1111/srt.12178. Epub 2014 Aug 11.
BACKGROUND/PURPOSE: By performing experiments in air-conditioned chamber, we previously demonstrated that the presence of water nanodroplets (mist) improved facial skin moisture levels without reducing water loss from the facial skin surface or inducing excessive humidity. Some previous studies have
PMID 25130532

The quantity-effect relationship and physiological mechanisms of different acupuncture manipulations on posterior circulation ischemia with vertigo: study protocol for a randomized controlled trial.

Deng SZ1, Zhao XF2, Huang LH3, He S4, Wen Y5, Zhang C6, Tian G7, Wang T8, Wu FF9, Meng ZH10, Shi XM11.
Trials.Trials.2015 Apr 11;16(1):152. doi: 10.1186/s13063-015-0660-y.
BACKGROUND: Recent experiments have demonstrated that different needling manipulations may induce variable effects via diverse physiological mechanisms. A previous study indicated that needling at Fengchi (GB 20) improved cerebral blood flow in patients with vertigo induced by posterior circulation
PMID 25872507

Medial canthal support structures: the medial retinaculum: a review.

Kang H1, Takahashi Y, Nakano T, Asamoto K, Ikeda H, Kakizaki H.
Annals of plastic surgery.Ann Plast Surg.2015 Apr;74(4):508-14. doi: 10.1097/SAP.0b013e3182a6365c.
The medial canthus is supported by several structures with a complicated 3-dimensional arrangement in a narrow space. Although the medial canthal tendon occupies a major portion of the area, the medial canthal support structures include the following entities: Horner's muscle, the medial rectus caps
PMID 25422980

Japanese Journal

非典型的皮疹と急速進行性間質性肺炎で発症した抗CADM-140抗体陽性の皮膚筋炎の1例

日比野真,西口翔,赤澤賢一郎,引野幸司,大江元樹
日本呼吸器学会誌 = Annals of the Japanese Respiratory Society 1(1), 27-34, 2012-01-10
NAID 10030268904

内眼角部皮下に発生した黒褐色の色素を伴う類上皮細胞肉芽腫の1例

沼田沙織,笠井健一郎,臼井嘉彦 [他]
眼科 53(11), 1649-1654, 2011-10
NAID 40019044807

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