Definition of "palpebral" [pal•pe•bral]

• Pertaining to eyelids (adjective)

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• "When the eyelids are open, an elliptical space, the palpebral fissure (rima palpebrarum), is left between their margins, the angles of which correspond to the junctions of the upper and lower eyelids, and are called the palpebral commissures or canthi."
• "I noticed, however, what I should call a palpebral spasm, affecting the eyelid and muscles of one side, which, if it were intended for the facial gesture called a wink, might lead me to suspect a disposition to be satirical on his part."
• "They may include a single transverse palmar crease (a single instead of a double crease across one or both palms, also called the Simian crease), an almond shape to the eyes caused by an epicanthic fold of the eyelid, upslanting palpebral fissures, shorter limbs, poor muscle tone, a larger than normal space between the big and second toes, and protruding tongue."