Longitudinal Section Histology
You ll alwayssee them in parallel.
Longitudinal section histology. Tedx talks recommended for you. The dark a bands and the light i bands. N node of ranvier.
However the results in the tissue being. Again note the peripherally placed nuclei in each cell and capillaries within the perimysium. The skeletal muscle fibers are long and multinucleated.
I prefer to open the segment along the mesenteric border and place it flat between two thin sponges within a cassette for embedding. In many the nucleus will be out of the plane of section. Basic histology smooth muscle longitudinal and cross sections when smooth muscle fibers are sectioned parallel to the long axis you will see the elongated fibers and nuclei.
When smooth muscle fibers are cut perpendicular to the long axis you will see a ring of cytoplasm and it is easy to see the cell borders. Most of the purple nuclei are schwann cell nuclei. They constrict into and out of the plane of the screen.
A cut that is perpendicular to the main plane of the organ or specimen. It is a good idea to fill the segment with formalin without distending it like a balloon and submit the segment as a tube for routine histology. How your belly controls your brain ruairi robertson tedxfulbrightsantamonica duration.
Basic histology smooth muscle longitudinal section. Smooth muscle cells are called fibers. Cross or transverse section.