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Histology lec
Histology lecture week 1
| Question | Answer |
|---|---|
| 1m = | 1000 millimetres |
| 1mm | 1000 micrometres |
| 1 micrometre = | 1 nanometres |
| resolving power | the smallest distance between two particles at which they can be seen as separate objects |
| How can resolution be improved? | Staining, Increasing refraction index and contrast by water- or alcohol soluable compounds, treatment of sections, impregnation or physical affinity, chemical affinity as a result of chemical reaction. |
| haematoxylin and eosin | Most commonly used stain. A "psuedo" basic dye( haemotoxylin) to differentiate nuclei (blue). Followd by an acidic dye (eosin) highlights everything else. |
| endo | within |
| epi | around |
| thelium | layer |
| simple | single |
| stratified | multiple |
| cuboidal | square shaped |
| collumnar | rectangular |
| squamous | flattened |