The degree of replication of the chromosome set in the karyotype.
Connective tissue cells which secrete an extracellular matrix rich in collagen and other macromolecules.
Shortened forms of written words or phrases used for brevity.
Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)
The entity of a developing mammal (MAMMALS), generally from the cleavage of a ZYGOTE to the end of embryonic differentiation of basic structures. For the human embryo, this represents the first two months of intrauterine development preceding the stages of the FETUS.
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The type species of RHADINOVIRUS, in the subfamily GAMMAHERPESVIRINAE, isolated from squirrel monkeys. It produces malignant lymphomas (LYMPHOMA, MALIGNANT) in inoculated marmosets or owl monkeys.
Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.