Enum: BrainTissueWeightType
URI: [bican:BrainTissueWeightType](https://identifiers.org/brain-bican/vocab/BrainTissueWeightType)
## Permissible Values
| Value | Meaning | Description |
| --- | --- | --- |
| Fresh whole brain | None | A whole brain specimen that has not been frozen or fixed -- i |
| Fixed whole brain | None | A whole brain specimen that has been treated for preservation (typically by f... |
| Fresh hemibrain | None | A hemibrain specimen that has not been frozen or fixed -- i |
| Fixed hemibrain | None | A hemibrain specimen that has been treated for preservation (typically by for... |
| Unknown | None | |
## Slots
| Name | Description |
| --- | --- |
| [weighed_type](weighed_type.md) | The type of the brain tissue weighed based on the preparation |
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/brain-bican/donor
## LinkML Source
name: brain_tissue_weight_type
from_schema: https://w3id.org/brain-bican/donor
rank: 1000
permissible_values:
Fresh whole brain:
text: Fresh whole brain
description: A whole brain specimen that has not been frozen or fixed -- i.e.,
a whole brain that has not yet been treated by a preserving method.
Fixed whole brain:
text: Fixed whole brain
description: A whole brain specimen that has been treated for preservation (typically
by formalin).
Fresh hemibrain:
text: Fresh hemibrain
description: A hemibrain specimen that has not been frozen or fixed -- i.e., a
whole brain that has not yet been treated by a preserving method.
Fixed hemibrain:
text: Fixed hemibrain
description: A hemibrain specimen that has been treated for preservation (typically
by formalin).
Unknown:
text: Unknown