- Hensen's disc
English-Korean animal medical dictionary. 2013.
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Regional specification — In the field of developmental biology, regional specification is the process by which different areas are identified in the development of the early embryo. The process by which the cells become specified differs between organisms. Contents 1… … Wikipedia
Primitive knot — Latin nodus primitivus Gray s subject #6 47 Days 17 The primitive knot (or primitive node) is the organizer for gastrulation in vertebrates … Wikipedia
disk — 1. A round, flat plate; any approximately flat circular structure. 2. SYN: lamella (2). 3. In dentistry, a circular piece of thin paper or other material, coated with an abrasive substance, used for cutting and polishing tee … Medical dictionary
List of distinct cell types in the adult human body — There are about 210 distinct human cell types,. There are between 50 and 75 trillion cells in the human body. Cell types can be classified by their tissue of origin. However, it is possible for some cells to have their… … Wikipedia