While monitoring the health of different ornamental and shade trees in Serbia, symptoms indicative cypress canker disease were observed young Cupressus sempervirens Belgrade urban area. Symptoms included tree mortality (specimens recorded with a change needle colour, branch decline or longitudinal bark cankers on stems resin exudates) appearance acervuli fruiting bodies cones. Using light micro...

The sense organ for hearing in birds, the basilar papilla, is capable of replacing lost or damaged hair cells and supporting cells through regeneration. Potential candidates for precursor-cell populations include cells within the auditory receptor epithelium and nonsensory cells inferior to the sensory epithelium. Ultrastructural characteristics of hyaline cells, border cells, and vacuole cells...

during visit beech forests of mazandaran province in may and june of 2010-2011, some infected twigs of fagus sylvatica with signs of fungal infection were collected. laboratory analysis revealed acervular fruiting bodies on infected twigs. acervulus up to 500 μm in diameter and forming a black spot on main and secondary twigs. conidia erumpent, form black masses over the acervulus. conidia are ...

The histologic criteria for determining the age of a myocardial infarct were established by Mallory et al in 1939. The present study was undertaken to reexamine more quantitatively the evolution of myocardial infarction and to determine the prevalence of two recently described pathologic findings: wavy fibers and myocytolysis. The medical records of 1,155 patients dying of myocardial infarction...