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The avian bursa of Fabricius (BF) is a primary lymphoid organ, where B-cell development occurs within bursal follicles of epithelial origin. During embryogenesis the epithelial anlage of the BF ...
What is the sequence of organ initiation? Where and how is the additional carpel formed and when and how is floral zygomorphy manifested? Can ontogeny help to clarify the nature of the tendril and ...
Here we demonstrate an unexpected degree of flexibility and cognition in a decision made by a hunting animal at reflex-like speed. Based on observing initial speed, direction, and height of falling ...
NIH has announced winners of the RADx® Tech Fetal Monitoring Challenge, a $2 million prize competition to speed development of innovative medical technologies for fetal health diagnosis, detection and ...
Studies in knockout mice and cultured chondrocytes indicate an important role of corin and atrial natriuretic peptide-mediated signaling in endochondral ossification and bone development. The ...
Your skin is the largest organ of your body. It's made up of several different substances, including water, protein, lipids, minerals and chemicals. The average adult's skin weighs about 6 pounds ...
The images show the inside of the cell nucleus at an 8-cell stage (left) and at a later stage (right). Chromosome 19 is shown in red whereas the nucleolus containing the gene-silencing machinery ...
Acanthocyte Erythrocyte identified by numerous spiny cytoplasmic projections; similar to a Burr cell Acanthocytosis, condition in which the majority of erythrocytes are acanthocytes. Anemia ...