I prepared a diagram some years ago which shows where a cat’s scent glands are located. Here it is:
If you want to read more the scent glands of the domestic or feral cats please go to the page presented below by clicking on the link. I am confident that it will provide the information that you are seeking. It is written in straightforward English but it is quite comprehensive so please give it a visit if you are interested.
Please search using the search box at the top of the site. You are bound to find what you are looking for.