Biological tissue is a group of cells that perform a similar function. The study of tissues is known as histology, or, in connection with disease, histopathology. The classical tools for studying the tissues are the wax block, the tissue stain, and the optical microscope, though developments in electron microscopy, immunofluorescence, and frozen sections have all added to the sum of knowledge in the last couple of decades. With these tools, the classical appearances of the tissues can be examined in health and disease, enabling considerable refinement of clinical diagnosis and prognosis.
There are four basic types of tissue in the human body. These compose all the organs, structures and other contents.
Epithelium - Lines, covers, protects, absorbs and secretes.
Connective tissue - As the name suggests, connective tissue holds everything together. Blood is considered a connective tissue.
Muscle tissue - Muscle cells contain contractile filaments that move past each other and change the size of the cell.
Tissue Culture Microscopes.COM is a major supplier of microscopes for biological applications utilizing living tissue cells in petri dishes and flasks.
Tissue culture specimens are often grown in petri dishes and need to be viewed from the bottom of the dish.
Applications for tissue culture microscopes may be as varied as cellular biology, molecular biology, medical diagnostics, university and college level biology classroom experiments, microbiological study, environmental research, and medical research.
The study of tissue is known as histology, or, in connection with disease, histopathology.
Muscle tissue also is separated into three distinct categories: visceral or smooth muscle, which is found in the inner linings of organs; skeletal muscle, which is found attached to bone in order for mobility to take place; and cardiac muscle which is found in the heart.
Vascular tissue - The primary components of vascular tissue are the xylem and phloem.
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