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Cédula de identidad, Buenos Aires (1934) The term cedula ( Latin) means, in general, an order or authorization; in earlier times such a document on the authority of a king, or a royal decree, which for Spain and Spanish America was a decree issued directly by the monarch. [1] [2] A cedula may take the form of a brief authenticating text ...
The cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function. The term comes from the Latin word cellula meaning 'small room'. Most cells are only visible under a microscope.
A cell type is a classification used to identify cells that share morphological or phenotypical features. [1] A multicellular organism may contain cells of a number of widely differing and specialized cell types, such as muscle cells and skin cells, that differ both in appearance and function yet have identical genomic sequences.
Structure of a plant cell. Plant cells are the cells present in green plants, photosynthetic eukaryotes of the kingdom Plantae.Their distinctive features include primary cell walls containing cellulose, hemicelluloses and pectin, the presence of plastids with the capability to perform photosynthesis and store starch, a large vacuole that regulates turgor pressure, the absence of flagella or ...
Communist Cells ( Spanish: Células Comunistas, originally Spanish: Células de Base por la Reconstrucción del Partido Comunista de España, CC) was a Marxist-Leninist and left-wing nationalist political organization operating in the Canary Islands. The party aim was self-determination for the islands and socialism .
In multicellular organisms, stem cells are undifferentiated or partially differentiated cells that can change into various types of cells and proliferate indefinitely to produce more of the same stem cell. They are the earliest type of cell in a cell lineage. [1] They are found in both embryonic and adult organisms, but they have slightly ...
The Práxedis G. Guerrero Autonomous Cells of Immediate Revolution (Spanish: Células Autónomas de Revolución Inmediata Práxedis G. Guerrero, CARI-PGG/FAI) was an urban guerrilla group that centered its attacks in the metropolitan area of the Valley of Mexico, extending some attacks to neighboring states. This group, along with a dozen other ...
Somatic cell. In cellular biology, a somatic cell (from Ancient Greek σῶμα (sôma) 'body'), or vegetal cell, is any biological cell forming the body of a multicellular organism other than a gamete, germ cell, gametocyte or undifferentiated stem cell. [1] Somatic cells compose the body of an organism and divide through mitosis .