Category: Z
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Zearalenone
A mycotoxin produced by Fusarium tricinctum, Fusarium gibbosum, Fusarium roseum, and three subspecies of the latter, Fusarium roseum culmorum, Fusarium roseum equiseti, and Fusarium roseum graminearum. In animals, it has been shown to possess oestrogenic and anabolic properties. The production of zearalenone by Fusarium roseum required alternating high (24°C-27°C) and low (12°C-14°C) temperatures. The lower…
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Zymotic
Referring to zymosis. To or produced by fermentation. A broad term encompassing any infectious or contagious disease.
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Zygomycosis
A disease caused by a fungus which infests the blood vessels in the lungs. Fungal infections caused by various species including those involved in mucormycosis and entomophthoramycosis. An alternative term for mucormycosis, a fungal infection, is zygomycosis. The fungi responsible for causing mucormycosis belong to a specific group known as Zygomycetes. This group of fungi…
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Zygomatic bone
A bone which forms the prominent part of the cheek and the lower part of the eye socket. One of a pair of skull bones that form the lower part of the eye socket and prominence of the cheek. Facial bones that form the lateral edges of the eye sockets and cheekbones. Either of a…
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Zygomatic arch
The ridge of bone across the temporal bone, running between the ear and the bottom of the eye socket. The horizontal arch of bone on either side of the face, just below the eyes, formed by connected processes of the zygomatic and temporal bones. The formation, on each side of the cheeks, of the zygomatic…
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Zygomatic
Referring to the zygomatic arch. To the cheek region of the face. To the zygomatic bone, also called the cheekbone or malar bone.
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Z-plasty
A technique used in plastic surgery. A deep Z-shaped incision is made to relieve tension in the area of a scar, or to change the direction of a scar. Use of a Z-shaped surgical incision to reduce tension on a scar produced by normal movement of a body part. A surgical technique to make a…
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Zoonosis
A disease which a human can catch from an animal. Disease of animals that can be transmitted to humans (e.g., brucellosis, leptospirosis, rabies). Spread of disease from animals to humans. A disease that can be transmitted from animals (usually mammals) to humans. Examples include rabies (which can be transmitted from an infected dog or cat…
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Zonulolysis
The removal of a zonule by dissolving it. Dissolution of the suspensory ligament of the lens of the eye (the zonule of Zinn), which facilitates removal of the lens in cases of cataract. A small quantity of a solution of an enzyme that dissolves the zonule without damaging other parts of the eye is injected…
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Zonule of Zinn
A suspensory ligament of the lens of the eye.