Mindblown: a blog about philosophy.

Within a very small tube.  

Within a tube.  

Within a tonsil.  

Within a sheath. Inside a sheath, especially inside the intradural or subarachnoid space. A type of injection made directly through the membrane enclosing the spinal cord and into the cerebrospinal fluid (CSF). Administration of substances within a sheath; typically refers to injection into the subarachnoid space surrounding the spinal cord. Within the membranes or meninges…

Within the testes.  

Within the tissue lining a joint.  

Within the supporting tissue or matrix of an organ.  

Within the cells or fibers of a tissue.  

Within the spleen.  

Within the retina.