Glossary All, Item, Recipes starting with N
An abnormal tissue that grows by cellular proliferation more rapidly than normal and continues to grow after the stimuli that initiated the new growth cease. Neoplasms show partial or complete lack of structural organization and functional coordination with the normal...
Glossary All, Item, Recipes starting with N
The entire integrated system of nerve tissue in the body The brain, brain stem, spinal cord, nerves and ganglia.
Glossary All, Item, Recipes starting with N
Nerve cell; conducts electrical signals. 1) A type of cell that receives and sends messages from the body to the brain and back to the body. The messages are sent by a weak electrical current. Also called nerve cell. 2) The basic cellular units of nervous tissue. Each...
Glossary All, Item, Recipes starting with N
The clinical subspecialty concerned with the diagnostic radiology of diseases of the central nervous system, head, and neck. The use of medical interventional radiologic techniques in which fluoroscopic imaging is used to guide catheters in blood vessels.
Glossary All, Item, Recipes starting with N
Denoting a procedure that does not require insertion of an instrument or device through the skin or a body orifice for diagnosis or treatment. In cancer, it describes disease that has not spread outside the tissue in which it began.
Glossary All, Item, Recipes starting with N
The clinical discipline concerned with the diagnostic and theraputic uses of radionuclides (an isotope of artificial or natural origin that exhibits radioactivity), excluding the therapeutic use of sealed radiation sources. Certain imaging procedures, including PET...
Glossary All, Item, Recipes starting with N
The center of the cell containing the genetic information (genes and chromosomes, DNA, etc.). The appearance of the nucleus is used as a criterion to determine the malignant potential of a cell or tissue.
Glossary All, Item, Recipes starting with O
Anterior projection of the olfactory lobe that is the place of termination of the olfactory nerves. One of two structures connected to the olfactory tracts to which the olfactory cells are anchored.
Glossary All, Item, Recipes starting with O
Specialized cells found at the top of the nasal cavity which converts a smell detected by the olfactory hairs into tiny electrical signals. The sense of smell is part of our chemical sensing system, or the chemosenses. Sensory cells in our nose, mouth, and throat have...
Glossary All, Item, Recipes starting with O
Nerves which connect to the nostrils to provide one’s sense of smell. The nerve that carries impulses for the sense of smell from the nose to the brain. The olfactory nerve is the first cranial nerve.
