Now let me search the medical library for the anatomy of the posterior wall of the nose.

Let me read the dedicated nasal cavity sections from KJ Lee's Otolaryngology and Scott-Brown's, which are more clinically oriented ENT textbooks:

The user is asking about the "posterior wall of the nose" which in ENT/anatomy is the posterior wall of the nasal cavity (i.e., the posterior choanal/nasopharyngeal wall). Let me search specifically for choanae and lateral nasal wall content, plus the KJ Lee nasal cavity section which has detailed anatomy:

Excellent - found the "Posterior Nasal Apertures" (choana) section in Color Atlas of Human Anatomy. Let me read it, plus the KJ Lee lateral nasal wall and Bailey and Love's basic anatomy section:

Now let me search for images of the nasal cavity/choana/posterior nasal aperture and also read more about the sphenopalatine area and applied anatomy:

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