reticular activating system n.
The part of the reticular formation in the brainstem that plays a central role in bodily and behavioral alertness; its ascending connections affect the function of the cerebral cortex and its descending connections affect bodily posture and reflex mechanisms.
- Reticular cell
reticular cell n. Any of the cells forming the stroma of bone marrow and lymphatic tissues whose processes make contact with those of similar cells to form a network.
- Reticular degeneration
reticular degeneration n. Severe epidermal edema resulting in the occurrence of bullae that contain numerous small spaces.
- Reticular dystrophy of cornea
reticular dystrophy of cornea n. A bilateral progressive superficial degeneration of the corneal epithelium and the adjacent Bowman’s membrane.
- Reticular fiber
reticular fiber n. Any of the small, branching, argyrophilic, intercellular fiber elements that may be continuous with collagen fibers.