sperm+of+fishes
131immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …
132ray — ray1 raylike, adj. /ray/, n. 1. a narrow beam of light. 2. a gleam or slight manifestation: a ray of hope. 3. a raylike line or stretch of something. 4. light or radiance. 5. a line of sight. 6. Physics, Optics. a …
