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The canthus (pl.: canthi, palpebral commissures) is either corner of the eye where the upper and lower eyelids meet. [1] More specifically, the inner and outer canthi are, respectively, the medial and lateral ends/angles of the palpebral fissure .
The lacrimal caruncle, or caruncula lacrimalis, is the small, pink, globular nodule at the inner corner (the medial canthus) of the eye. [1] It consists of tissue types of neighbouring eye structures. It may suffer from lesions and allergic inflammation.
An epicanthic fold or epicanthus [6] is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye. [3] However, variation occurs in the nature of this feature and the possession of "partial epicanthic folds" or "slight epicanthic folds" is noted in the relevant literature.
The canthus is either corner of the eye where the upper and lower eyelids meet. Canthus may also refer to: Canthus of the eye, also called the orbital canthus; Canthus (herpetology), the sides of the snout in reptiles in amphibians; Canthus (mythology), one of the Argonauts; Canthus (crater), a geographical feature on Phoebe
The list is sorted by the region of the world in which the isthmus is located. An isthmus (/ ˈ ɪ s θ m ə s / or / ˈ ɪ s m ə s /; plural: isthmuses, or occasionally isthmi; from Ancient Greek: ἰσθμός, romanized: isthmos, lit. 'neck') is a narrow piece of land connecting two larger areas across an expanse of water that otherwise ...
In snakes, the canthals are the scales along the upper surface of the canthus rostralis. They are located behind the level of the prenasal/postnasal suture and before the supraocular. [1] They are also described as being located along the edge of the crown between the internasals and the supraoculars. [2]
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). [1]
In snakes and amphibians, the canthus, canthal ridge or canthus rostralis, [1] is the angle between the flat crown of the head and the side of the head between the eye and the snout, [2] or more specifically, between the supraocular scale and the rostral scale.