Provided herein is a system comprising: a) spatial sampler system configured to collect and transmit one or a plurality of cells or nuclei from a tissue specimen, the system comprising: i) a lower carrier having an array of conduits passing therethrough, each conduit comprising an opening on a first side and communicating with an opening on a second side, wherein the opening on the second side either (1) terminates in a capillary or (2) opens onto a well of a multiwell plate; ii) positioned, above the lower carrier, a perforated specimen holder configured to support a frozen tissue specimen, wherein the specimen holder comprises a plurality of perforations having a size sufficient to permit the passage of single cells or nuclei; and iii) positioned, above the specimen holder, a multifunctional head comprising an upper array of upper conduits, optionally, each aligned with a conduit opening of the lower carrier.