1 A nuclear envelope reforms around each chromosome set, the spindle disappears, and cytokinesis follows. 2  In animal cells, cytokinesis involves the formation of a cleavage furrow, resulting in the pinching of the cell into two cells.
Urticaria (Hives) Itchy, raised red areas on the skin. Hives are caused by a reaction to certain foods, drugs, infections, or emotional stress. Also called urticaria.
Hives lasting less than six weeks are called acute urticaria.. With this type of hives, the cause can often be found. Certain foods, medications, viruses and other illness, and even things in your home (cats, dogs, dust) can cause hives.Insect bites and internal diseases may also be responsible.Sometimes hives will occur in individuals repeatedly without an obvious cause.ith this type of hives, the cause can often be found. Certain foods, medications, viruses and other illness, and even things in your home (cats, dogs, dust) can cause hives.