Tissue
Contents
Key Stage 3
Meaning
A tissue is a group of similar specialised cells working together.
About Tissues
- When a large number of identical specialised cells are found in the same place it is called a tissue.
- Sperm do not work together so semen is not counted as a tissue.
- An organ is made of many tissues working together.
- Some tissues in vertebrates that you should know:
Tissues and their Specialised Cells
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| A specialised muscle cell | Muscle Tissue |
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| A specialised xylem cell | Xylem Tissue stained orange. |
 |
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| A specialised palisade cell | Palisade Tissue is the layer of rectangular cells near the top of the leaf, just under the top layer. |
Key Stage 4
Meaning
A tissue is a group of similar specialised cells working together.
About Tissues
- An organ is made of many tissues working together.
- Some tissues in vertebrates that you should know:
Tissues and their Specialised Cells
| |
|
| A specialised muscle cell | Muscle Tissue |
| |
|
| A specialised xylem cell | Xylem Tissue stained orange. |
| |
|
| A specialised palisade cell | Palisade Tissue is the layer of rectangular cells near the top of the leaf, just under the top layer. |
References
AQA
- Tissues, page 24, GCSE Combined Science; The Revision Guide, CGP, AQA
- Tissues, page 27, GCSE Biology; The Revision Guide, CGP, AQA
- Tissues, page 66, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Tissues, page 72, GCSE Biology, CGP, AQA
- Tissues, pages 36, 62, 136-138, 160-161, 190, GCSE Biology; Third Edition, Oxford University Press, AQA