Hallucinogenic
A drug that induces hallucinations. (This is incorrect usage; the noun is hallucinogen.)
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- Hallux valgus
A condition in which the big toe (hallux) is bent outward (toward the midline of the foot; valgus) so that it overlaps the second toe. Hallux valgus may be accompanied by a bunion (localized painful swelling) and is frequently associated with inflammation. It can be related to inflammation of the nearby bursa (bursitis) or degenerative […]
- Hallux varus
A condition in which the joint of the big toe is bent inward (away from the midline of the foot; varus).
- Hamartoma
A benign (noncancerous) tumor-like growth consisting of a disorganized mixture of cells and tissues normally found in the area of the body where the growth occurs.
- Hamartoma, hypothalamic
A benign tumor of the hypothalamus, the area of the brain that controls body temperature, hunger, and thirst. (In technical terms, the hypothalamus lies beneath a structure known as the thalamus and forms the floor of the third ventricle of the brain.) A small hypothalamic hamartoma can cause the patient to feel as though they […]
- Hammer toe
A condition in which the toe is flexed (curly), but with no abnormal rotation of the toe. Hammer toe may require surgical correction.