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Mammalian embryogenesis
Mammalian embryogenesis is the process of cell division and cellular differentiation which leads to the development of a mammalian embryo. A mammal develops from a single cell called a zygote, which ... > more -
Motor neuron
In vertebrates, motor neurons (also called motoneurons) are efferent neurons that originate in the spinal cord and synapse with muscle fibers to facilitate muscle contraction and with muscle spindles ... > more -
Diaphragm (anatomy)
In the anatomy of mammals, the diaphragm is a shelf of muscle extending across the bottom of the ribcage. The diaphragm separates the thoracic cavity (with lung and heart) from the abdominal cavity ... > more -
Exocrine gland
Exocrine glands are glands that secrete their products into ducts. They are the counterparts to endocrine glands, which secrete their products directly into the bloodstream. Typical exocrine glands ... > more -
Biophysics
Biophysics (also biological physics) is an interdisciplinary science that applies the theories and methods of physics, to questions of biology. Biophysics research today comprises a number of ... > more -
Sympathetic nervous system
The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The sympathetic nervous system activates what is ... > more
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