Tooth development
Tooth development is the complex process by which teeth form from embryo nic cells , grow , and erupt into the mouth . Although many diverse species have teeth, non-human tooth development is largely the same as in humans. For human teeth to have a healthy oral environment, more
Tooth enamel
Tooth enamel is the hardest and most highly mineralized substance of the body,Ross et al., p. 441 and with dentin , cementum , and dental pulp is one of the four major tissues which make up the tooth . It is the normally visible dental tissue of a tooth and must be supported by under more
Chagas disease
Chagas' disease (also called American trypanosomiasis) is a human tropical parasitic disease which occurs in the Americas , particularly in South America . Its pathogen ic agent is a flagellate protozoa n named Trypanosoma cruzi , which is transmitted to humans and other mammal more
Autism
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* Connections to autism resources at the National Dissemination Center for Children with Disabilities
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Cell nucleus
cells stained for DNA with the Blue Hoechst dye. The central and rightmost cell are in interphase , thus their entire nuclei are labeled. On the left a cell is going through mitosis and its nucleus has disintegrated in preparation of division.
s: (1) nucleolus (2) nucleus (3) r more