Monolithic Kernel (Macro Kernel): Kernel Image = (Kernel Core+Kernel Services). When system boots up entire services are loaded and resides in memory.
Example: Windows and Unix.
Micro kernel : Kernel Image = Kernel Core. Services are build in to special modules which can be loaded and unloaded as per need.
We have another type of kernel integration technique called
Modular, this is derived from best of micro and monolithic kernel) In
Modular kernel integration: Kernel Image = (Kernel core + IPC service modules +Memory module +Process Management module). All other modules are loadable kernel modules.
Example: Linux kernel