It occurs as crusts or masses in the upper parts of copper ore veins where the copper minerals have been altered by water containing dissolved silica.
Mechanisms for dealing with large particles or masses.
It forms gray to black metallic crystals or masses in metalliferous hydrothermal veins.
Tumours, both malignant and benign, "present" (first become observable) as lumps or masses caused by the abnormal growth of cells.
Whitish pink, with a translucent sheen, the vocal cords were open, forming an inverted V. To the untrained eye, they looked healthy — no lumps or masses.
N.P.A. "sparrow squads" assassinated police officers and government officials; in turn, a government-backed vigilante group known as Alsa Masa, or Masses Arise, murdered Communists.
Clusters or circles can be set in perennial and shrub borders, or masses of them can be set out in open beds.
It is also useful for examining the outside surface of the large tubes of the airways or for evaluating tumors or masses in the middle chest.
Dysplasia-associated lesions or masses (DALMs) in inflammatory bowel disease (IBD) are a heterogeneous group of tumors with different natural histories.
Mesoderm, the middle of the three germ layers, or masses of cells (lying between the ectoderm and endoderm), which appears early in the development of an animal embryo.
These minerals are found as glassy, hard octahedrons, grains or masses in basic igneous rocks, granite pegmatites, and contact metamorphic limestone deposits.
