Anatomy & Physiology
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Introduction to twelve cranial nerves and their functions Cranial nerves directly arise from brain and are conventionally numbered by roman numerals. Out of 12 pairs of cranial nerves, afferent nerves arise from motor nuclei with in brain and the efferent cranial nerves arise in sensor ganglion along the course of nerve, out side the brain. Twelve Types of Cranial Nerves and Functions Back to Top Olfactory I : This sensory cranial nerve located in olfactory bulb of brain and has olfactory receptors for sense of smell.
Spinal fusion is a surgical procedure which helps fuse together bone segments in the spine which may be causing back pain. This interactive video provides information on spinal fusion's effects on back pain . The surgery is chosen to address and correct where that pain is coming from and to remove those structures or fuse and stabilize those structures so that there is no longer a reason for pain. And then the surgeon has to decide which techniques are the best in his hands – which has he been trained for, what he’s the most experienced with.
The substance, state, and presence of a membrane are the main differences between diffusion and osmosis. Diffusion involves the movement of particles from an area of high concentration to an area of lower concentration. Osmosis is a type of diffusion, but involves only the movement of water across a semipermeable membrane from an area containing a low solute concentration to an area containing a high solute concentration. Diffusion and osmosis are both forms of passive transport , in which a system does not require energy to carry out the process. In diffusion, this process can occur with essentially any substance in any state, including solids, liquids, and gasses.
Biology 121 Anatomy & Physiology I Gross Anatomy of the Muscular System 1. Identify and name the following Muscles of the HEAD and NECK 2.
Diseases that affect humans need to be diagnosed accurately before they can be treated. In this section, diagnosis, pathogenesis, identification of causative organism, prevention including vaccination wherever available, treatment and drugs commonly prescribed are given.