acro-, acr-

An in-growing nail (on the hand or foot) or an in-grown fingernail or toenail: "An acronyx is a common form of toenail disease which is an often painful because the nail grows so that it cuts into one or both sides of the 'nail bed'."

"While acronyxes, or ingrown nails, can occur in the nails of the hand and feet, they usually exist most commonly with the toenails."

"A more accurate description is that an acronyx indicates that there is too much skin around the nail ("overgrown toeskin"), and so, the nail is seldom the problem."

"The most common place for acronyxes is in the big toe; however, ingrowth can actually occur on any nail."

Osteolysis (a softening and destruction of bone) involving the distal (farthest from the center, from a medial line, or from the trunk) phalanges of the fingers and toes.

A condition seen in dogs, characterized by hyeperostosis of the bones of the limbs, later involving other skeletal regions; it may be associated with tumors or tuberculosis.

1. A thickening of the fingers and toes as a consequence of a pathologic condition that affects the periosteum and subcutaneous tissues, as in hyperthyroidism or hypertrophic pulmonary osteoarthropathy.
2. Thickening of peripheral tissues; seen most often in
hypothyroidism and hypertrophic pulmonary osteoarhropathy.

Thickening of the skin of the face, the scalp, and on the hands and feet.

Paralysis of the extremities (includes hands and feet).

1. Disease marked by attacks of tingling in the outer parts of the body: Dr. Jones, the doctor, who specialized in tropical diseases, was puzzled by the acroparesthesia Norbert had because the symptoms did not match those of any known diseases.
2. Numbness, tingling, and/or other abnormal sensations of the extremities; for example, the fingers, hands, forearms, and toes; usually due to a carpal tunnel syndrome but also from other causes; seen frequently in organic disorders, especially peripheral nerve lesions: There are times when acroparessthesia refers only to those unpleasant sensations that occur without any known demonstrable organic basis.

The study of diseases that affect the extremities; such as, the hands, fingers, feet, and toes: Because they are so frequently used, acropathology of the hands and fingers may require medical attention because they are susceptible to injury, including cuts, burns, bites, fractures, and even tendon injuries.

Acropathology also involves the feet and toes because of such ailments as athlete's foot, a fungal infection, primarily affecting the skin between the toes, causing itchiness, sores, and cracked skin; as well as, ingrown toenails which often affects the nail of the big toe, resulting in inflammation of the surrounding tissue and infections of these tissues.

A condition affecting the fingers and toes in which the nail-beds result in thickening and widening of the extremities of the digits; the nails are abnormally curved and shiny.

1. Developing upward from the base toward the apex or tip.
2. Rising toward the summit.

Pertaining to those who have a strong preference for staying in lofty peaks rather than living in the lowlands.

A person who is excessively afraid of being in high places.

An excessive discomfort of heights, elevators, climbing ladders, pinnacles, etc.; a dread of sharp points: Acrophobia is one of the most common fears among people.

Those who have acrophobia are afraid of being on high floors of buildings or even on the tops of hills or mountains and they often feel overly anxious when they approach the edge of bridges, rooftops, stairwells, and railings.

Sometimes individuals who are afflicted with acrophobia not only have an excessive fear, but they feel an uncontrollable urge to jump off.

There are some people who suffer from acrophobia and also have fantasies and physical sensations of falling even when they are standing on firm ground.

Those who are affected by acrophobia in moving platforms for people, or on escalators, balconies, and stairways are probably related to the fear of altitudes just as they are with the terror of flying in aircraft.

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