Cytology is a branch of biology that focuses on the study of the structure and function of cells. A diagnostic test finds out if a disease is present and, if so, it precisely and accurately classifies the disease. See also cell. “ Cytology ’ s roots travel back to 1665, when British botanist Robert Hooke, examining a cross-section of cork, gave the spaces the name ” cells, “ meaning ” little rooms “ or ” cavities. The biology of structure, function, multiplication, pathology, and history of cells. Test Your Knowledge - and learn some interesting things along the way. More specifically, cytology is a branch of science that studies how cells work and grow and what they're made of. While this could be facilitate… See the full definition for cytology in the English Language Learners Dictionary, Nglish: Translation of cytology for Spanish Speakers, Britannica.com: Encyclopedia article about cytology. Learn more. 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. Biology definition, the science of life or living matter in all its forms and phenomena, especially with reference to origin, growth, reproduction, structure, and behavior. 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. The field has expanded rapidly, and the histology of most organisms is understood. ... biology… 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. cytosine One of the pyrimidine nitrogenous bases occurring in both DNA and RNA. cytology (sītŏl`əjē), in biology, the study of the structure of all normal and abnormal components of cells and the changes, movements, and transformations of such components. It is usually ordered when you have had blood in the urine previously to make sure the blood is not from a potential malignancy. The cytosol in any cell is a complex solution, whose properties allow … The cytosol …. The history of cell theory is a history of the actual observation of cells, because early prediction and speculation about the nature of the cell were generally unsuccessful. There are many different branches within the field of biology. Cytology is the examination of cells from the body under a microscope. Cytology Cytology is the branch of biology that studies cells, the building blocks of life. In the working parlance, “cell biology” is preferred to “cytology,” given the obvious potential for confusion with health professionals (cytologists and cytotechnologists) who examine cell specimens to render clinical diagnoses. How to use cytology in a sentence. This article was most recently revised and updated by, https://www.britannica.com/science/cytology, National Center for Biotechnology Information - PubMed Central - Basics of Cytology. Cytology is a field of biology involved in the study of the structure and the function of animal and plant cells. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! 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. Cytology refers to a branch of pathology, the medical specialty that deals with making diagnoses of diseases and conditions through the examination of tissue samples from the body. ‘Urine cytology may be helpful in ruling out transitional cell carcinoma of the bladder.’ ‘At Wolverhampton she specialised in cytology and introduced the cervical cytology screening service.’ ‘Histopathology, cytology, and microbiology confirmed the diagnosis of intestinal tuberculosis.’ How many sets of legs does a shrimp have? When a biologist studies how human blood cells work and how they relate to each other … cytology The branch of biology dealing with cell structure. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Definition of cytology in English: cytology. the study of plant and animal cells, including their structure, function, and formation the detailed structure of a tissue, as revealed by microscopic examination Derived forms of cytology cytological (ˌsaɪtəˈlɒdʒɪkəl), adjective cytologically, adverb cytologist, noun Cytology tests may be used for diagnosis or for screening: A diagnostic test is only used for people who have signs, symptoms, or some other reason to suspect that they might have a particular disease (like cancer). cytosine One of the pyrimidine nitrogenous bases occurring in both DNA and RNA. He's making a quiz, and checking it twice... Test your knowledge of the words of the year. Cells were first observed in the 17th century, when the compound microscope was invented. Cytology, the study of cells as fundamental units of living things. In my personal experience, I have usually heard "cell biology" used rather than "cytology" to broadly mean study of cells. Our editors will review what you’ve submitted and determine whether to revise the article. Cytology is the examination of cells from the body under a microscope. Updates? “Cytology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytology. cytoplasm The viscous semiliquid inside the plasma membrane of a cell; contains various macromolecules and organelles in solution and suspension. Send us feedback. Have you ever wondered about these lines? Cytology is also known as cell biology. Cytopathology: the study of cellular disease and the use of cellular changes for the diagnosis of disease. 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 cytology The branch of biology dealing with cell structure. It is important for researchers or biologists in the generation of vaccines, medications, etc. In addition to her teaching duties, and despite not having the support of a research university, Yasui also embarked on her own research in plant, Post the Definition of cytology to Facebook, Share the Definition of cytology on Twitter. He observed dead cork cells and introduced the term “cell” to describe them. From poisonous fish to biodiversity, learn more about the study of living things in this quiz. Question: What is the definition of cytology in biology? Comparison Chart Histology uses advanced imaging techniques to analyze and identify the tissues and structures present. Histology is the study of the microscopic anatomy ( microanatomy) of cells and tissues. Cytology tests may be used for diagnosis or for screening: A diagnostic test is only used for people who have signs, symptoms, or some other reason to suspect that they might have a particular disease (like cancer). Cytology: The medical and scientific study of cells. 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. The material that diffuses could be a solid, liquid or gas. In a urine cytology exam, a doctor looks at cells collected from a urine specimen to see how they look and function. The name for this science is translated from kytos, the Greek term for ” cavity. Put these two together, and we have our definition: cytology is the study of cells. Cytology is the branch of biology that studies cells, the building blocks of life. Corrections? Biology is subdivided into separate branches for convenience of study, though all the subdivisions are interrelated by basic principles. Based on usage it can refer to: Cytogenetics. The discipline was founded by George Nicolas Papanicolaou in 1928. cytology (sītŏl`əjē), in biology, the study of the structure of all normal and abnormal components of cells and the changes, movements, and transformations of such components.The discipline includes cytogenics, cytochemistry, and microscopic anatomy, which involve investigations employing various microscopes, such as light, phase, interference, and electron microscopes. The branch of biology concerned with the structure and function of plant and animal cells. Definition of cytology written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. Cell biology, or cytobiology: the study of … Please tell us where you read or heard it (including the quote, if possible). Cytology means "the study of cells". These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cytology.' 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. In the 19th century two Germans, the botanist Matthias Schleiden (in 1838) and the biologist Theodor Schwann (in 1839), were among the first to clearly state that cells are the fundamental particles of both plants and animals. Cytology definition is - a branch of biology dealing with the structure, function, multiplication, pathology, and life history of cells : cell biology. 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