Term: shell: the material that forms the hard outer covering of many animals
Broader: animal material: material derived from animals | Unrelated: prostate specific antigen: a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm cells to swim freely; elevated levels of PSA in blood serum are associated with benign prostatic hyperplasia and prostate cancer
Broader: animal material: material derived from animals | Unrelated: sake: the purpose of achieving or obtaining
Broader: animal material: material derived from animals | Unrelated: bean dip: a dip made of cooked beans
Broader: animal material: material derived from animals | Unrelated: coconut macaroon: macaroon containing coconut
Broader: animal material: material derived from animals | Unrelated: hirundo: type genus of the Hirundinidae
Broader: animal material: material derived from animals | Unrelated: territoriality: the behavior of a male animal that defines and defends its territory
Broader: animal material: material derived from animals | Unrelated: degressive tax: any tax in which the rate decreases as the amount subject to taxation increases
Broader: animal material: material derived from animals | Unrelated: animatism: the attribution of consciousness and personality to natural phenomena such as thunderstorms and earthquakes and to objects such as plants and stones
Broader: animal material: material derived from animals | Unrelated: willowware: chinaware decorated with a blue Chinese design on a white background depicting a willow tree and often a river
Broader: animal material: material derived from animals | Unrelated: hunger march: a march of protest or demonstration by the unemployed