Capsaicin (8-methyl-N-vanillyl-6-nonenamide) (/ k æ p ˈ s eɪ s ɪ n / or / k æ p ˈ s eɪ ə s ɪ n /) is an active component of chili peppers, which are plants belonging to the genus Capsicum.It is a potent irritant for mammals, including humans, and produces a sensation of burning in any tissue with which it comes into contact. Capsaicin and several related amides (capsaicinoids) are ...

Early studies showed that the latex causes contact dermatitis and eye irritation. Stains on skin of the fingers are sometimes reported to cause eye irritation after rubbing the eyes or handling contact lenses. The characteristic latex also contains proteolytic enzymes and the phytocystatin chelidostatin, a cysteine protease inhibitor. [81]

Crocodilians have thick skin covered in non-overlapping scales. They have conical, peg-like teeth and a powerful bite. ... Crocodilians appear to have gone through a "nocturnal bottleneck" early in their history with their eyes losing traits like ... white, and opaque, with the nitrogenous waste being mostly excreted as insoluble uric acid ...

Hashimoto's thyroiditis, also known as chronic lymphocytic thyroiditis, Hashimoto's disease, and autoimmune thyroiditis is an autoimmune disease in which the thyroid gland is gradually destroyed. [7] [1]Early on, symptoms may not be noticed. [3] Over time, the thyroid may enlarge, forming a painless goiter. [3] Most people eventually develop hypothyroidism with accompanying weight gain ...

Acceptance; Admiration; Affection; Amusement; Anger; Angst; Anguish; Annoyance; Anticipation; Anxiety; Apathy; Arousal; Awe; Belongingness; Boredom; Confidence ...