Enum: Preparation
URI: [bican:Preparation](https://identifiers.org/brain-bican/vocab/Preparation)
## Permissible Values
| Value | Meaning | Description |
| --- | --- | --- |
| formalin fixed | NCIT:C200862 | A tissue sample that has been fixed with formalin |
| 4% paraformaldehyde fixed | None | A tissue sample that has been fixed with 4% paraformaldehyde |
| frozen | None | A tissue sample that has been frozen |
| other | None | A tissue sample that has been fixed by some other method |
| hemisphere not available | None | |
## Slots
| Name | Description |
| --- | --- |
| [left_hemisphere_preparation](left_hemisphere_preparation.md) | The method of which the left hemisphere of the brain was prepared |
| [right_hemisphere_preparation](right_hemisphere_preparation.md) | The method of which the right hemisphere of the brain was prepared |
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/brain-bican/donor
## LinkML Source
name: preparation
from_schema: https://w3id.org/brain-bican/donor
rank: 1000
permissible_values:
formalin fixed:
text: formalin fixed
description: A tissue sample that has been fixed with formalin.
meaning: NCIT:C200862
4% paraformaldehyde fixed:
text: 4% paraformaldehyde fixed
description: A tissue sample that has been fixed with 4% paraformaldehyde.
frozen:
text: frozen
description: A tissue sample that has been frozen.
other:
text: other
description: A tissue sample that has been fixed by some other method.
hemisphere not available:
text: hemisphere not available