Congenital cardiac rhabdomyoma

Article Abstract:

Rhabdomyomas can be asymptomatic but may be fatal when they interfere with the electrical activity of the heart. Rhabdomyomas are benign tumors of heart muscle tissue in children. An infant delivered at 35 weeks' gestation because of a lack of fetal movement had a slow heart rate, and died 12 hours later. An echocardiogram of the heart before death showed a bright echo, indicating a rhabdomyoma. An autopsy revealed a small mass off of the heart muscle, also indicating rhabdomyoma. Usually, rhabdomyomas can be monitored without surgery as they regress on their own.

Case studies, Cardiovascular tumors, Vascular tissue tumors

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Snake venom, feritilization and neurogenesis

Article Abstract:

A new type of neurogenic cell mutation, called kuzbanian (kuz), has been shown to promote as well as inhibit neural-cell development or neurogenesis. Neurogenesis is commonly visualized as consisting of two steps. The first step involves the specification of cell clusters with neural potentials by proneural genes. The second step involves cell-cell interactions within the clusters that narrow down neural potential to just one cell. In Drosophila, kuz has the effect of producing clusters of sensory bristles where there should have been just a single bristle.

Research, Mutation (Biology), Mutation, Drosophila, Developmental neurology

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Sturdy towns; how to make them

Article Abstract:

A sense of community, a diverse local economy, the presence of churches and civic involvement make people stay longer in a community. Cities and towns can encourage nonmigration by supporting small manufacturing firms, small retail establishments and interaction among diverse social groups.

Social aspects, Analysis, Small business, Associations, institutions, etc., Associations, Sociological research, Migration, Internal, Internal migration, Churches, Church buildings

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