What is scanning electron microscopy (SEM)?

They always have new skin cells on the surface. As we age, however, our cell turnover rate slows down. Without cellular turnover, you can get a buildup of skin ... The test measures the small fragments of fetal DNA in the mother's blood, and can determine the chance of a chromosome problem based on the relative amount of ... Nov 11, 2022 ... gene and cell therapies have been getting a lot of buzz—and for good reason. They hold great promise for treating diseases such as cancer, ALS, ... How to define cell types? In conclusion, cell types are the product of evolution, and they are the basic functional units of an organism. To unify these two ... Jun 25, 2022 ... The cell-cell adhesions within the bloodstream are formed through the selectin binding to a specific oligosaccharide on the adjacent cell. The ... Mar 8, 2024 ... Epithelial cells establish an apical-basal polarity, which results from the differential distribution of phospholipids, protein complexes, and ... Cell Ranger is a set of analysis pipelines that process Chromium Next GEM single cell data to align reads, generate feature-barcode matrices, perform clustering ... Apr 1, 2025 ... What do cell-to-cell connections do? · They help maintain the shape and function of tissues and organs. · They enable cells to communicate, ... cell ... In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: ... Sep 24, 2024 ... “A cell type is a group of cells that are similar to each other and distinct from other groups of cells,” offers neuroscientist Hongkui Zeng, ...