NCBI_BioSample_Attributes: This database provides, in XML format, the listing of attribute names for biosamples housed in NCBI.

A vocabulary is always identified by its short name and sometimes it may offer multiple sub-vocabularies with different names. Both are listed below.

Click the + icon (if present) to expand the tree. If the full ontology or the term heirarchy is not loaded into this site, then the tree will consist of all terms at the same level. For some vocabularies, only a subset of terms are loaded

• absolute air humidity
• additional info
• address
• adjacent rooms
• aerospace structure
• affection status
• age
• agrochemical additions
• air particulate matter concentration
• air temperature
• air temperature regimen
• alkalinity
• alkalinity method
• alkyl diethers
• altitude
• aluminium saturation
• aluminium saturation method
• aminopeptidase activity
• ammonium
• amniotic fluid color
• amount of light
• analyte type
• anamorph
• ancestral data
• animal environment