What is histologic appearance?
Histology, also known as microscopic anatomy or microanatomy, is the branch of biology which studies the microscopic anatomy of biological tissues. Histology is the microscopic counterpart to gross anatomy, which looks at larger structures visible without a microscope.
How do you identify a histological slide?
Inspection: Inspect the slide using just your eyes and a good light source to first determine the shape of the prepared section. Occasionally, a specific section has a characteristic shape and is much easier to identify. e.g on the cross section of tracheal cartilage an annular preparation can be seen.
What is the ground substance in typical connective tissue matrix?
The ‘ground substance’ of extracellular matrix is an amorphous gelatinous material. It is transparent, colourless, and fills the spaces between fibres and cells. It actually consists of large molecules called glycosoaminoglycans (GAGs) which link together to form even larger molecules called proteoglycans.
What is cytology and histology?
Cytology is the study of individual cells of the body, as opposed to histology which is the study of whole human tissue itself.
What is cytology vs histology?
Cytology generally involves looking at a single cell type. Histology is the exam of an entire block of tissue.
What are the features of the cells ground substance and fibers that make up connective tissue?
Ground substance is a clear, colorless, viscous fluid that fills the space between the cells and fibers. It is composed of proteoglycans and cell adhesion proteins that allow the connective tissue to act as glue for the cells to attach to the matrix.
What is the difference between matrix and ground substance?
The matrix usually includes a large amount of extracellular material produced by the connective tissue cells that are embedded within it. Two major components of the matrix are ground substance and protein fibers. This ground substance is usually a fluid (water), but it can also be mineralized and solid, as in bones.
Who is father of histology?
Marie François Xavier Bichat
Marie François Xavier Bichat (/biːˈʃɑː/; French: [biʃa]; 14 November 1771 – 22 July 1802) was a French anatomist and pathologist, known as the father of modern histology. Although he worked without a microscope, Bichat distinguished 21 types of elementary tissues from which the organs of the human body are composed.