Cytology is the examination of cells from the body under a microscope. Test Your Knowledge - and learn some interesting things along the way. Cytology means "the study of cells". Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Eukaryotic cells contain membrane-bound organelles, including a clearly defined nucleus, mitochondria, chloroplasts (unique to plant cells), a Golgi apparatus, an endoplasmic reticulum, lysosomes, and peroxisomes. Histologists are also used by law enforcement agencies to help solve crimes. Whereas, cell biology is a wider area than cytology since it studies the structure and the function of all types of cells including eukaryotic and prokaryotic cells. The material that diffuses could be a solid, liquid or gas. — cytologist, n. — cytologie, cytological, adj. Question: What is the definition of cytology in biology? Literally, the word "cytology" should refer to the study of cells, so in my opinion the narrow definition doesn't make sense, but like other words it is important to interpret it in context. A diagnostic test finds out if a disease is present and, if so, it precisely and accurately classifies the disease. Put these two together, and we have our definition: cytology is the study of cells. Modern cytologists have adapted many methods of physics and chemistry to investigate cellular events. Accessed 27 Dec. 2020. In a urine cytology exam, a doctor looks at cells collected from a urine specimen to see how they look and function. Medical Definition of cytology 1 a : a branch of biology dealing with the structure, function, multiplication, pathology, and life history of cells : cell biology b : the cellular aspects of a phenomenon, process, or structure the cytology of cancer liver cytology ... biology… The decisive event that allowed the observation of cells was the invention of the microscope in the 16th…, The living material of most organisms is organized into discrete units called cells, and the study of their features is known as cytology. What made you want to look up cytology? Cells were first observed in the 17th century, when the compound microscope was invented. | Definition of cytosol Cytosol can be defined as the cytosol is the fluid inside the cells. How many sets of legs does a shrimp have? Definition of Cytokinesis, Cytokinesis in Animal cell, and Plant cell See also cell. Similarly, the medium in which diffusion occurs could also be in one of the three physical states.One of the main characteristics of diffusion is the movement of molecules along the concentration gradient. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cytology.' Since the invention of the microscope, histology has been a field in science. Put these two together, and we have our definition: cytology is the study of cells. He's making a quiz, and checking it twice... Test your knowledge of the words of the year. Histology uses advanced imaging techniques to analyze and identify the tissues and structures present. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Diffusion is a physical process that refers to the net movement of molecules from a region of high concentration to one of lower concentration. How to use cytology in a sentence. 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