ance_nnz&#39;, &#39;n_measured_vars&#39;, &#39;is_origin&#39;
      var: &#39;soma_joinid&#39;, &#39;feature_id&#39;, &#39;feature_name&#39;, &#39;feature_length&#39;, &#39;nnz&#39;, &#39;n_measured_obs&#39;
      obsm: &#39;uce&#39;,
  (&#39;kidney&#39;,): AnnData object with n_obs × n_vars = 4821 × 60664
      obs: &#39;soma_joinid&#39;, &#39;dataset_id&#39;, &#39;assay&#39;, &#39;assay_ontology_term_id&#39;, &#39;cell_type&#39;, &#39;cell_type_ontology_term_id&#39;, &#39;development_stage&#39;, &#39;de