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There are more sensory neurons in the tongue than in any other part of the body.
The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
![The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_18_44_100362256.jpeg)
![When young infants hold objects for a long period of time they eventually become habituated to them.](https://biology-forums.com/gallery/47/medium_637842_18_01_17_6_02_54_245021528.png)