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Rheum from a cat's eyes. Rheum ( / ruːm /; from Greek: ῥεῦμα rheuma 'a flowing, rheum') is a thin mucus naturally discharged from the eyes, nose, or mouth, often during sleep (contrast with mucopurulent discharge ). [ 1][ 2][ 3] Rheum dries and gathers as a crust in the corners of the eyes or the mouth, on the eyelids, or under the nose ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Meaning Origin language and etymology Example(s) juxta-near to, alongside, or next to Latin iuxta: juxtaglomerular apparatus: kal-potassium: New Latin kalium, potassium hyperkalemia: kary-[3] nucleus Greek κάρυον (káruon), nut eukaryote: kerat-[4] cornea (eye or skin) Greek κέρας (kéras), horn keratoscope: kine-[5] movement
The English suffixes -phobia, -phobic, -phobe (from Greek φόβος phobos, "fear") occur in technical usage in psychiatry to construct words that describe irrational, abnormal, unwarranted, persistent, or disabling fear as a mental disorder (e.g. agoraphobia), in chemistry to describe chemical aversions (e.g. hydrophobic), in biology to describe organisms that dislike certain conditions (e.g ...
While the original English meaning stays intact, it can also refer to a big mess. Whether it be messy hair, a messy bedroom or a loud and messy gathering, like a party. kreef – literally means "crayfish" but it refers to a promiscuous woman with the intent to attract men. kry 'n kramp! – lit. "get a cramp". A definitive expression of strong ...
Rapid eye movement behavior disorder occurs when there is a loss of normal voluntary muscle atonia during REM sleep resulting in motor behavior in response to dream content. It can be caused by adverse reactions to certain drugs or during drug withdrawal; however, it is most often associated with the elderly and in those with neurodegenerative ...
Comparison of English dictionaries. This is a comparison of English dictionaries, which are dictionaries about the language of English. The dictionaries listed here are categorized into "full-size" dictionaries (which extensively cover the language, and are targeted to native speakers), "collegiate" (which are smaller, and often contain other ...
Sleep walking may involve sitting up and looking awake when the individual is actually asleep, and getting up and walking around, moving items or undressing themselves. They will also be confused when waking up or opening their eyes during sleep. Sleep walking can be associated with sleeptalking. [19]