reticular (ri-tik-yoo-ler) adj. (of tissues) resembling a network; branching. r. fibres branching fibres of connective tissue that form a delicate supportive meshwork around blood vessels, muscle fibres, glands, nerves, etc. r. formation a network of nerve pathways and nuclei throughout the brainstem, connecting motor and sensory nerves to and from the spinal cord, the cerebellum and the cerebrum, and the cranial nerves.

reticular resembling or constructed like a net. XVI. f. L. rēticulum RETICULE; see -AR.
So reticulate adj. (-ATE2) XVII. — L. Hence reticulate vb. (-ATE3), reticulated XVIII.