Special Stains for Carbohydrates
Introduction Carbohydrates play essential roles in biological structures and functions. Staining techniques are used to detect different carbohydrate classes, including […]
Hematopoiesis
Hematopoiesis Hematopoiesis (from Greek: haima = blood, poiesis = formation) is the complex, lifelong process of blood cell production and
Special stains for amyloid
Introduction Amyloid refers to a group of abnormally folded protein aggregates that accumulate in tissues, leading to amyloidosis. Detecting amyloid
Haematoxylin and importance
Introduction Haematoxylin is a natural dye widely used in histology to stain tissue samples for microscopic examination. Derived from the
Metachromasis and metachromatic dyes
Introduction Metachromasis and metachromatic dyes histological is the microscopic study of tissue structures using various staining techniques. One of the
Dark Ground Microscopy
History of Dark Ground Microscopy The dark-field microscope was first developed in the late 19th century, and its major advances
Cytology - II Yr
Cytolologic screening and quality control in cytology laboratory
Introduction Cytologic screening is crucial for detecting cellular abnormalities, particularly in cancer diagnosis, infection detection, and other pathological conditions. The
Periodic Acid-Schiff Stain
Introduction Periodic Acid-Schiff (PAS) stain is a widely used histochemical technique highlighting glycogen, mucopolysaccharides, glycoproteins, and other carbohydrate-rich tissue structures.
Papanicolaou Stain
Introduction The Papanicolaou stain is one of the most important cytological staining techniques used in diagnostic pathology. Dr. George Papanicolaou
Fibrinolysis
Introduction Fibrinogen is a soluble plasma glycoprotein produced primarily by the liver. It is an essential component of the coagulation
Cytology - III Yr
Hormonal Assessment with Cytological Techniques and Sex Chromatin Analysis
Introduction Hormonal assessment is critical to understanding physiological and pathological conditions in the human body. Cytological techniques are pivotal in
Cervical cytology
Cervical Cytology Cervical cytology is a diagnostic and screening method to evaluate cellular changes in the cervix. It is primarily
Ultramicrotomy
Ultramicrotomy is a precision technique used in electron microscopy to prepare ultra-thin slices (sections) of specimens. These thin sections are
Enzyme histochemistry demonstration
Enzyme histochemistry is a method for localizing and visualizing enzymatic activities within tissue sections. Here’s a detailed overview of the
Neuropathology techniques
Neuropathology techniques involve specialized methodologies for examining central and peripheral nervous system tissues, primarily to diagnose diseases such as tumors,
Collection processing and staining of the Cytologic specimen
Collection of Cytologic Specimens Purpose and Importance: The accuracy of cytological diagnoses heavily relies on collecting adequate, representative samples from
Exfoliative cytology studies of cells
Exfoliative cytology studies of cells that are shed or scraped from body surfaces. It is a non-invasive diagnostic technique primarily
Nucleic acid ,DNA and RNA special stains
Nucleic acid staining techniques are widely used in histology and microbiology to identify and visualize DNA and RNA within cells.
Uses of controls in various staining procedures
Introduction Using controls ensures histological staining results’ accuracy, consistency, and reliability. By using controls, histologists and pathologists can confirm that