Definition, Meaning & Anagrams | English word CANTHUS

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Definitions of CANTHUS

1. (anatomy) Either corner of the eye, where the eyelids meet.

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Examples of Using CANTHUS in a Sentence

• An epicanthic fold or epicanthus is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye.
• The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial canthus to protect and moisten it while maintaining vision.
• The canthus (: canthi, palpebral commissures) is either corner of the eye where the upper and lower eyelids meet.
• Its head large; snout short, rounded, with well-marked canthus rostralis and concave loreal region ; nostril nearer to the end of the snout than to the eye; interorbital space broader than the upper eyelid; tympanum distinct, nearly as large as the eye.
• The infratrochlear nerve provides sensory innervation to the skin of the eyelids, the conjunctiva, lacrimal sac, lacrimal caruncle, and the side of the nose superior to the medial canthus.
• In snakes and amphibians, the canthus, canthal ridge or canthus rostralis, is the angle between the flat crown of the head and the side of the head between the eye and the snout,Mallow D, Ludwig D, Nilson G.
• In addition to small palpebral fissures, features can include epicanthus inversus (fold curving in the mediolateral direction, inferior to the inner canthus), low nasal bridge, ptosis of the eyelids and telecanthus.
• Specific modifications include the double-opposing z-plasty (sometimes called a "jumping man" flap) which can be useful for release of webbing of the medial canthus or release of 1st web space contractures.
• The lacrimal caruncle, or caruncula lacrimalis, is the small, pink, globular nodule at the inner corner (the medial canthus) of the eye.
• Snout rounded, as long as the diameter of the orbit j canthus rostralis distinct; nostril a little nearer the tip of the snout than the eye; interorbital space as broad as the upper eyelid; no tympanum; no eustachian tubes.
• Additional diagnostic descriptors include: bluntly rounded snout, evenly rounded canthus rostralis, outwardly sloping loreal region, bluntly pointed head (dorsal view), lacks supratympanic fold, elongated tongue, lacks vomerine teeth, toothed upper jaw, vocal sac with slit-like openings on the floor of the mouth.
• Black streaks run below edge of canthus from tip of snout to eye, obliquely from eye to commisure of jaws, and from eye along supratympanic fold to posterior rim of tympanum, continuing obliquely to shoulder.
• Dacryocystocele (Dacryocystitis) or timo cyst is a benign, bluish-gray mass in the inferomedial canthus that develops within a few days or weeks after birth.
• In some accounts, Abas was also called the father of Dias, Arethusa, Alcon, Canthus (alternatively the son of Canethus and thus, his grandson).
• The retroauricular sulcus, superior auricular sulcus, and the lateral portion of the nose bridge at the inner canthus are common sites for acanthoma fissuratum affecting the ear when it occurs in people wearing poorly fitting spectacle frames.
• Canethus, son of the Euboean Abas and father of the Argonaut Canthus, as well as eponym of a mountain near Chalcis.
• The nostrils are protuberant and directed anteroventrally, the canthus rostralis is not noticeable, and the lips are close to the sigmoid.
• Canthotomy (also called lateral canthotomy and canthotomy with cantholysis) is a surgical procedure where the lateral canthus, or corner, of the eye is cut to relieve the fluid pressure inside or behind the eye, known as intraocular pressure (IOC).

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