If you mean a tissue sample taken to test for things such as cancer, the sample and the process of collecting it is called a biopsy.
If it is tissue left over after a medical procedure, it can be a histopathological specimen.
Of course, anything examined can be called a specimen.
Gross examination is performed without the aid of magnification. Microscopic examination is performed on slides of tissue samples on the microscope.
Biopsy is removal of tissue for examination under a microscope.
The tissue sample will then be examined under a microscope for the presence of cancerous cells.
The medical term for examination of tissue under a microscope is called- Histology
It's not restricted to viewing through a microscope but removing and examining tissue from a living body is called biopsy
flargenerman biopsy - live tissue sample. microtomy or histotomy - the making of thin tissue samples for viewing under a microscope.
A cone biopsy is a surgical procedure in which a cone-shaped tissue sample from the cervix is removed for examination.
in tissue samples removed for a biopsy, while others are secreted into the extracellular fluid (fluid outside the cells) and may be measured in the blood.
Polyps can be removed through the colonoscope and samples of tissue (biopsies) can be taken to test for the presence of cancerous cells.