| AMBERGRIS | Substance produced by sperm whales, used in perfumery (9) |
| SECRETION | Substance produced by a gland, cell etc. (9) |
| ENDORPHIN | Opiate-like substance produced by brain and pituitary gland (9) |
| SPERMACETI | Waxy solid from whales used in cosmetics (10) |
| PERFUME | Ambergris from the intestines of sperm whales is used in making what? (7) |
| IVF | Procedure whereby an egg is fertilized by sperm in a test tube (1,1,1) |
| OVA | Cells that may be fertilized by sperm |
| CETYL | ___ alcohol (substance named for its prominence in sperm whale oil) |
| ENZYME | Substance produced by 9 unknown in war-torn Yemen (6) |
| SEI | One of the whale species, in addition to minke, Bryde's and sperm whales, that Japan intends to hunt |
| CETACEAN | Relating to an order of aquatic mammals, including sperm whales, dolphins, etc (8) |
| GAMETE | Maybe sperm whales eat veg regularly |
| RESIN | Substance produced by condensation or polymerisation, of use in the plastics industry (5) |
| NITRIC | ____ acid, substance produced by the oxidation of ammonia by the Ostwald process (6) |
| BLUBBER | Thick layer of fatty tissue below the skin of a whale used as a source of oil (7) |
| CACHALOT | Another name for the sperm whale |
| SQUID | Food for a sperm whale |
| NECTAR | Sugary substance produced by plants and made into honey by bees / 'drink of the gods' |
| HORMONE | Substance produced by an endocrine gland, carried in blood to other organs and modifying their function |
| LATEX | Milky substance produced by some trees (5) |