Anatomy & Physiology › Section D · The tissue level › Topic D.1
Types of tissues and membranes
Trillions of cells of about 200 kinds sort into just four families of tissue, and those four build every organ you have. Thin sheets made from them, the body's membranes, line its tubes and cavities and keep organs gliding smoothly past each other.
In this topic
- What a tissue is
- The four primary tissues
- Where tissues come from
- Worked example: tracing tissues to germ layers
- Membranes: sheets that line and cover
- Mucous membranes
- Serous membranes
- The skin and synovial membranes
- Worked example: naming the membrane
- Common mistakes to avoid
- Key takeaways
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