Question

In: Anatomy and Physiology

define cytogy

define cytogy

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Expert Solution

Cytology

  • Cytology is defined as the branch of pathology that deals with diagnosing diseases and conditions by examining a single cell type in the tissue samples from the body.
  • It is also known as cytopathology.
  • The samples that are studied in order to make a diagnosis are: bodily fluids such blood, urine, csf; fluids drawn from the body; materials scrapped from the surface of specific parts of the body.
  • The collected samples are prepared and smeared on a glass slide for microscopic analysis.
  • Hence, the tests made for cytological studies are called smear tests.
  • Cytology is generally used to diagnose or screen for cancer, diagnose infectious organisms, screen for pap smear to identify cervical cancer and abnormalities and to screen for any fetal abnormalities.
  • Based on the method of collecting the sample for studies, cytology is divided into two types. They are : exfoliative and intervention cytology.
  • Exfoliative cytology : In this, cells are collected either by spontaneous exfoliation (collection after spontaneous shedding of the cells or fluids) or by manual exfoliation (scrapping off cells from the surface of the body).
  • Intervention cytology : In this, aspiration using a needle is performed to extract the cells or body fluids from the body.

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