sense epithelium
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epithelium — epithelial, adj. /ep euh thee lee euhm/, n., pl. epitheliums, epithelia / lee euh/. Biol. any animal tissue that covers a surface, or lines a cavity or the like, and that, in addition, performs any of various secretory, transporting, or… … Universalium
olfactory epithelium — The epithelium lining the nose. Has the diverse G protein coupled receptors responsible for the sense of smell … Dictionary of molecular biology
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
chemoreception — chemoreceptive /kee moh ri sep tiv, kem oh /, adj. /kee moh ri sep sheuhn, kem oh /, n. the physiological response to chemical stimuli. [1915 20; CHEMO + RECEPTION] * * * Sensory process by which organisms respond to external chemical stimuli, by … Universalium
Olfaction — Human olfactory system. 1: Olfactory bulb 2: Mitral cells 3: Bone 4: Nasal epithelium 5: Glomerulus (olfaction) 6: Olfactory receptor cells Olfaction (also known as olfactics; adjectival form: olfactory ) is the sense of smell. This sense is… … Wikipedia
mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots … Universalium
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
respiration, human — ▪ physiology Introduction the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… … Universalium
syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… … Medical dictionary
Retina — For the Retina display in the iPhone 4, see iPhone 4#Display. Retina Right human eye cross sectional view. Courtesy NIH National Eye Institute. Many animals hav … Wikipedia
