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Crista (other)
Crista is an internal compartment formed by the inner membrane of a mitochondrion. Crista may also refer to: * Crista (given name) * Crista Ministries, a collection of Christian ministries in Shoreline, Washington In anatomy: * Crista ampullaris, a sensory organ of the internal ear * Crista dividens, a structure in the developing heart of the human embryo * Crista frontalis, the frontal crest, a structure of the skull *Crista galli, a structure of the ethmoid bone * crista interfenestralis, an anatomical feature that separates the inner ear in two found in some reptiles * Crista occipitalis interna, the internal occipital crest, a structure in the skull * Crista terminalis, a crest structure in the heart In species: * '' Gyraulus crista'', a minute species of freshwater snail * ''Ptilium crista-castrensis'', a moss species See also * Crest (other) * Christa (other) * Crist (surname) * Cristi * Cristy * Krista Krista is a female given name, a mostly North ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crista
A crista (; plural cristae) is a fold in the inner membrane of a mitochondrion. The name is from the Latin for ''crest'' or ''plume'', and it gives the inner membrane its characteristic wrinkled shape, providing a large amount of surface area for chemical reactions to occur on. This aids aerobic cellular respiration, because the mitochondrion requires oxygen. Cristae are studded with proteins, including ATP synthase and a variety of cytochromes. Background With the discovery of the dual-membrane nature of mitochondria, the pioneers of mitochondrial ultrastructural research proposed different models for the organization of the mitochondrial inner membrane. Three models proposed were: *Baffle model – According to Palade (1953), the mitochondrial inner membrane is convoluted in a baffle-like manner with broad openings towards the intra-cristal space. This model entered most textbooks and was widely believed for a long time. *Septa model – Sjöstrand (1953) suggested that she ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
