Search results
Results From The WOW.Com Content Network
Description. The nictitating membrane (completely closed) of a black crowned crane, right eye. The nictitating membrane is a transparent or translucent third eyelid present in some animals that can be drawn across the eye for protection and to moisten it while maintaining vision. The term comes from the Latin word nictare, meaning "to blink".
The levator palpebrae superioris originates from inferior surface of the lesser wing of the sphenoid bone, just above the optic foramen. It broadens and decreases in thickness (becomes thinner) and becomes the levator aponeurosis. This portion inserts on the skin of the upper eyelid, as well as the superior tarsal plate. It is a skeletal muscle.
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. [ 7][ 8][ 9] Various factors influence ...
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 bicanthal plane is the transversal plane linking both canthi and defines the upper boundary ...
Dog anatomy. Dog anatomy comprises the anatomical study of the visible parts of the body of a domestic dog. Details of structures vary tremendously from breed to breed, more than in any other animal species, wild or domesticated, [ 1] as dogs are highly variable in height and weight. The smallest known adult dog was a Yorkshire Terrier that ...
When the recalled dog eyelid wipes are opened and in use, bacteria and fungi, which are organisms found widely in the environment, soil, and water, can be introduced and grow in the container ...
The lacrimal sac or lachrymal sac[ 1] is the upper dilated end of the nasolacrimal duct, [ 2] and is lodged in a deep groove formed by the lacrimal bone and frontal process of the maxilla. It connects the lacrimal canaliculi, which drain tears from the eye's surface, and the nasolacrimal duct, which conveys this fluid into the nasal cavity. [ 3]
Some canine breeds are genetically more likely to develop eyelid problems, such as dogs with shortened muzzles and flattened faces — think boxers, Boston terriers, French bulldogs, Pekingese ...