"heterogeneous collection" is a correct and usable phrase in written English.
You can use it to refer to a group of items that are composed of different elements or types. For example: "We had to sort through a heterogeneous collection of items before we could start the project".
The mPFC consists of a heterogeneous collection of neurons, including excitatory pyramidal neurons and local GABAergic interneurons37.
Such a space will contain a heterogeneous collection of both new and legacy applications and devices.
Cervical spinal trauma can result in a heterogeneous collection of spinal cord injury syndromes.
Adaptive systems can help address the challenge of managing this heterogeneous collection of resources.
Uveitis is a heterogeneous collection of diseases with polygenic and environmental influences.
During breast cancer, the TME consists of a heterogeneous collection of endothelial cells, perivascular cells, adipocytes, fibroblasts, and, notably, is enriched in highly active immune cells.
The process of unbundling derivatives thus reveals a complex and heterogeneous collection of different elements a fundamentally hybrid financial instrument.
Phantasus, 3 vol. (1812 16), a heterogeneous collection of works in a narrative framework, indicated a movement toward realism.
The dual number was lost, and a fifth noun declension was developed from a heterogeneous collection of nouns.
The most important compound data structures are the array, a homogeneous collection of data, and the record, a heterogeneous collection.
PVM (Parallel Virtual Machine) is a software package which permits a heterogeneous collection computers connected by a network to be used as a single large parallel computer.
