Isotonic Solution: Imagine you’re in the hospital and the nurse hooks you up to an IV. What is in that IV? Is it just water? No way. If you were…

Topsoil: Have you ever been on a riverbank and noticed layers of soil? You might have observed that the top layer was dark-colored and lush. This is topsoil, often referred…

Mesoderm: The mesoderm forms mesenchyme, mesothelium, non-epithelial blood cells, and coelomocytes. Mesothelium lines coeloms. Mesoderm forms the muscles in a process known as myogenesis, septa (cross-wise partitions), and mesenteries (length-wise…

Hypoglossal Nerve Disorders Hypoglossal Nerve: The hypoglossal nerve is the twelfth cranial nerve, and innervates all the extrinsic and intrinsic muscles of the tongue, except for the palatoglossus which is innervated by the vagus nerve. It is a nerve with…

Specific Volume: Imagine a rock weighing 5 kg (about 11 pounds). You can probably picture the size of a rock like that – while you could carry it around, you…