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  • Anatomie 93 questions
    • Régions Du Corps 3 questions Anatomical areas of the body.
    • Appareil Locomoteur 7 questions The MUSCLES, bones (BONE AND BONES), and CARTILAGE of the body.
    • Système Digestif 15 questions A group of organs stretching from the MOUTH to the ANUS, serving to breakdown foods, assimilate nutrients, and eliminate waste. In humans, the digestive system includes the GASTROINTESTINAL TRACT and the accessory glands (LIVER; BILIARY TRACT; PANCREAS).
    • Appareil Respiratoire 5 questions The tubular and cavernous organs and structures, by means of which pulmonary ventilation and gas exchange between ambient air and the blood are brought about.
    • Appareil Urogénital 13 questions All the organs involved in reproduction and the formation and release of URINE. It includes the kidneys, ureters, BLADDER; URETHRA, and the organs of reproduction - ovaries, UTERUS; FALLOPIAN TUBES; VAGINA; and CLITORIS in women and the testes; SEMINAL VESICLES; PROSTATE; seminal ducts; and PENIS in men.
    • Système Endocrine 2 questions The system of glands that release their secretions (hormones) directly into the circulatory system. In addition to the ENDOCRINE GLANDS, included are the CHROMAFFIN SYSTEM and the NEUROSECRETORY SYSTEMS.
    • Système Cardiovasculaire 4 questions Le coeur et les vaisseaux sanguins par lesquels le sang est pompé et circule à travers le corps.
    • Système Nerveux 2 questions The entire nerve apparatus, composed of a central part, the brain and spinal cord, and a peripheral part, the cranial and spinal nerves, autonomic ganglia, and plexuses. (Stedman, 26th ed)
    • Organes Des Sens 3 questions
    • Tissus 3 questions Collections of differentiated CELLS, such as EPITHELIUM; CONNECTIVE TISSUE; MUSCLES; and NERVE TISSUE. Tissues are cooperatively arranged to form organs with specialized functions such as RESPIRATION; DIGESTION; REPRODUCTION; MOVEMENT; and others.
    • Cellules 3 questions Endocrine cells found throughout the GASTROINTESTINAL TRACT and in islets of the PANCREAS. D cells secrete SOMATOSTATIN that acts in both an endocrine and paracrine manner. Somatostatin acts on a variety of tissues including the PITUITARY GLAND; gastrointestinal tract; pancreas; and KIDNEY by inhibiting the release of hormones, such as GROWTH HORMONE; GASTRIN; INSULIN; and RENIN.
      • Acinar Cells 0 questions
      • Cellules Productrices D'Anticorps 0 questions Cellules des lignées lymphoïdes qui peuvent réagir avec l'antigène pour produire les substances spécifiques de ces cellules appelés des anticorps. De diverses sous-populations de cellules, souvent lymphocytes B, peuvent être définies, basées sur les différentes classes des immunoglobulines qu'elles synthétisent.
      • Cellules Présentatrices D'Antigène 0 questions Groupe hétérogène de cellules immunocompétentes qui induisent l'immuno-réaction cellulaire en traitant et en présentant des antigènes au récepteur des cellules T. Les cellules de présentation de l'antigène traditionnelles incluent des macrophages; des cellules dendritiques; des cellules de langerhans ; et des lymphocytes B. Des cellules dendritiques folliculaires (cellule folliculaire dentritique) sont également considérées comme des cellules de présentation de l'antigène par quelques auteurs.
      • Blastomères 0 questions The undifferentiated cells produced by early cleavages of the fertilized egg (ZYGOTE) inside the intact ZONA PELLUCIDA. Blastomeres are formed during the MORULA and the BLASTULA stages of the preimplantation EMBRYO.
      • Cellules Sanguines 2 questions
      • Cellules De La Moelle Osseuse 0 questions Cells contained in the bone marrow including fat cells (see ADIPOCYTES), STROMAL CELLS, MEGAKARYOCYTES, and the immediate precursors of most blood cells.
      • Cellules Cancéreuses En Culture 0 questions Cells grown in vitro from neoplastic tissue. If they can be established as a TUMOR CELL LINE, they can be propagated in cell culture indefinitely.
      • Cellules Immobilisées 0 questions Microbial, plant, or animal cells which are immobilized by attachment to solid structures, usually a column matrix. A common use of immobilized cells is in biotechnology for the bioconversion of a substrate to a particular product. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)
      • Structures Cellulaires 0 questions Components of a cell.
      • Cellules Chromaffines 0 questions Cells that store epinephrine secretory vesicles. During times of stress, the nervous system signals the vesicles to secrete their hormonal content. Their name derives from their ability to stain a brownish color with chromic salts. Characteristically, they are located in the adrenal medulla and paraganglia (PARAGANGLIA, CHROMAFFIN) of the sympathetic nervous system.
      • Cellules Du Tissu Conjonctif 0 questions A group of cells that includes FIBROBLASTS, cartilage cells, ADIPOCYTES, smooth muscle cells, and bone cells.
      • Endocrine Cells 0 questions
      • Cellules 0 questions Endocrine cells found throughout the GASTROINTESTINAL TRACT and in islets of the PANCREAS. D cells secrete SOMATOSTATIN that acts in both an endocrine and paracrine manner. Somatostatin acts on a variety of tissues including the PITUITARY GLAND; gastrointestinal tract; pancreas; and KIDNEY by inhibiting the release of hormones, such as GROWTH HORMONE; GASTRIN; INSULIN; and RENIN.
      • Cellules2 0 questions Endocrine cells found throughout the GASTROINTESTINAL TRACT and in islets of the PANCREAS. D cells secrete SOMATOSTATIN that acts in both an endocrine and paracrine manner. Somatostatin acts on a variety of tissues including the PITUITARY GLAND; gastrointestinal tract; pancreas; and KIDNEY by inhibiting the release of hormones, such as GROWTH HORMONE; GASTRIN; INSULIN; and RENIN.
      • Cellules Eucaryotes 0 questions Cells of the higher organisms, containing a true nucleus bounded by a nuclear membrane.
      • Cellules Germinales 0 questions The reproductive cells in multicellular organisms.
      • Cellules Géantes 0 questions Multinucleated cells (fused macrophages), characteristic of granulomatous inflammation, which form around exogenous material in the skin. They are similar in appearance to Langhans giant cells (GIANT CELLS, LANGHANS), but foreign-body giant cells have more abundant chromatin and their nuclei are scattered in an irregular pattern in the cytoplasm.
      • Hepatic Stellate Cells 0 questions
      • Mesophyll Cells 0 questions
      • Cellules Musculaires 0 questions Mature contractile cells, commonly known as myocytes, that form one of three kinds of muscle. The three types of muscle cells are skeletal (MUSCLE FIBERS), cardiac (MYOCYTES, CARDIAC), and smooth (MYOCYTES, SMOOTH MUSCLE). They are derived from embryonic (precursor) muscle cells called MYOBLASTS.
      • Cellules Myéloïdes 0 questions The classes of BONE MARROW-derived blood cells in the monocytic series (MONOCYTES and their precursors) and granulocytic series (GRANULOCYTES and their precursors).
      • Myoblastes 0 questions Embryonic (precursor) cells of the myogenic lineage that develop from the MESODERM. They undergo proliferation, migrate to their various sites, and then differentiate into the appropriate form of myocytes (MYOCYTES, SKELETAL; MYOCYTES, CARDIAC; MYOCYTES, SMOOTH MUSCLE).
      • Neoplastic Cells, Circulating 0 questions
      • Névroglie 0 questions The non-neuronal cells of the nervous system. They not only provide physical support, but also respond to injury, regulate the ionic and chemical composition of the extracellular milieu, participate in the BLOOD-BRAIN BARRIER and BLOOD-RETINAL BARRIER, form the myelin insulation of nervous pathways, guide neuronal migration during development, and exchange metabolites with neurons. Neuroglia have high-affinity transmitter uptake systems, voltage-dependent and transmitter-gated ion channels, and can release transmitters, but their role in signaling (as in many other functions) is unclear.
      • Neurones 0 questions The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM.
        • Neurofibres Autonomes Postganglionnaires 0 questions Nerve fibers which project from cell bodies of autonomic ganglia to synapses on target organs.
        • Neurofibres Autonomes Préganglionnaires 0 questions Nerve fibers which project from the central nervous system to autonomic ganglia. In the sympathetic division most preganglionic fibers originate with neurons in the intermediolateral column of the spinal cord, exit via ventral roots from upper thoracic through lower lumbar segments, and project to the paravertebral ganglia; there they either terminate in synapses or continue through the splanchnic nerves to the prevertebral ganglia. In the parasympathetic division the fibers originate in neurons of the brain stem and sacral spinal cord. In both divisions the principal transmitter is acetylcholine but peptide cotransmitters may also be released.
        • Axones 0 questions Nerve fibers that are capable of rapidly conducting impulses away from the neuron cell body.
        • Cholinergic Neurons 0 questions
        • Dendrites 0 questions Extensions of the nerve cell body. They are short and branched and receive stimuli from other NEURONS.
        • Dopaminergic Neurons 0 questions
        • GABAergic Neurons 0 questions
        • Cônes De Croissance 0 questions Bulbous enlargement of the growing tip of nerve axons and dendrites. They are crucial to neuronal development because of their pathfinding ability and their role in synaptogenesis.
        • Interneurones 0 questions Most generally any neurons which are not motor or sensory. Interneurons may also refer to neurons whose axons remain within a particular brain region as contrasted with projection neurons which have axons projecting to other brain regions.
        • Corps De Lewy 0 questions Inclusions intracytoplasmiques, éosinophiliques, rondes à ovales retrouvées dans les vacuoles de neurones altérés. La présence des corps de Léwy est le marqueur histologique des atteintes dégénératives de la maladie des corps de Léwy et de la maladie de Parkinson, mais ils peuvent être rencontrés dans d'autres conditions neurologiques. Ils sont typiquement retrouvés dans la substancia nigra et dans le locus coeruleus, mais ils peuvent être aussi rencontrés dans le prosencéphale, les noyaux hypothalamiques, et le néocortex.
        • Mirror Neurons 0 questions
        • Neurofibres Myélinisées 0 questions Classe de fibres nerveuses définies par leur structure, notamment par l'arrangement de la gaine nerveuse.Les axones des fibres nerveuses myélinisées sont entièrement enveloppés par une gaine de myéline. Ce sont des fibres relativement grosses et de diamètres variés. La conduction neuronale de ces fibres est plus rapides que celles des fibres amyéliniques. Les fibres nerveuses myélinisées sont présentes dans les nerfs somatiques et autonomes.
        • Neurites 0 questions In tissue culture, hairlike projections of neurons stimulated by growth factors and other molecules. These projections may go on to form a branched tree of dendrites or a single axon or they may be reabsorbed at a later stage of development. "Neurite" may refer to any filamentous or pointed outgrowth of an embryonal or tissue-culture neural cell.
        • Neurofibrilles 0 questions The delicate interlacing threads, formed by aggregations of neurofilaments and neurotubules, coursing through the cytoplasm of the body of a neuron and extending from one dendrite into another or into the axon.
        • Neurones Afférents 0 questions Neurones qui transmettent l'information de la périphérie vers le centre
          • Hair Cells, Auditory 0 questions
          • Cellules Ciliées Vestibulaires 0 questions Mechanoreceptors located in the acoustic maculae and the semicircular canals that mediate the sense of balance, movement, and head position. The vestibular hair cells are connected to accessory structures in such a way that movements of the head displace their stereocilia. This influences the membrane potential of the cells which relay information about movements via the vestibular part of the VESTIBULOCOCHLEAR NERVE to the brain stem.
          • Cellules De La Corne Dorsale 0 questions Neurons in the posterior (dorsal) horn of the spinal cord whose cell bodies and processes are confined entirely to the central nervous system. They receive collateral or direct terminations of dorsal root fibers. They send their axons either directly to ANTERIOR HORN CELLS or to the white matter ascending and descending longitudinal fibers.
          • Retinal Neurons 0 questions
          • Sensory Receptor Cells 0 questions
        • Motoneurones Gamma 0 questions Motor neurons which activate the contractile regions of intrafusal muscle fibers, thus adjusting the sensitivity of the muscle spindles to stretch. Gamma motor neurons may be "static" or "dynamic" according to which aspect of responsiveness (or which fiber types) they regulate. The alpha and gamma motor neurons are often activated together (alpha gamma coactivation) which allows the spindles to contribute to the control of movement trajectories despite changes in muscle length.
        • Neuropile 0 questions A dense intricate feltwork of interwoven fine glial processes, fibrils, synaptic terminals, axons, and dendrites interspersed among the nerve cells in the gray matter of the central nervous system.
        • Corps De Nissl 0 questions Subcellular structures found in nerve cell bodies and DENDRITES. They consist of granular endoplasmic reticulum (ENDOPLASMIC RETICULUM, ROUGH) and RIBOSOMES.
        • Neurones Nitrergiques 0 questions Nerve cells where transmission is mediated by NITRIC OXIDE.
        • Adrenergic Neurons 0 questions
        • Cellules De Purkinje 0 questions The output neurons of the cerebellar cortex.
        • Cellules Pyramidales 0 questions Projection neurons in the cerebral cortex and the hippocampus. Pyramidal cells have a pyramid-shaped soma with the apex and an apical dendrite pointed toward the pial surface and other dendrites and an axon emerging from the base. The axons may have local collaterals but also project outside their cortical region.
        • Serotonergic Neurons 0 questions
      • Cellules Oxyphiles 0 questions Large cells with small irregular nuclei and dense acidophilic granules due to the presence of abundant MITOCHONDRIA. Oxyphil cells, also known as oncocytes, are found in oncocytomas of the kidney, salivary glands, and endocrine glands. In the thyroid gland, oxyphil cells are known as Hurthle cells and Askenazy cells.
      • Pancreatic Stellate Cells 0 questions
      • Péricytes 0 questions Slender, contractile, mesenchymal-like cells found in close association with capillary walls. They are relatively undifferentiated and may become fibroblasts, macrophages, or smooth muscle cells. (From Stedman, 26th ed)
      • Phagocytes 0 questions
      • Plant Cells 0 questions
      • Cellules Procaryotes 0 questions Cells, such as those of bacteria and the blue green algae, which lack a nuclear membrane so that the nuclear material is either scattered in the cytoplasm or collected in a nucleoid region.
      • Protoplastes 0 questions
      • Cellules De Reed-Sternberg 0 questions Large cells of unknown origin, usually multinucleate, whose presence is the common histologic characteristic of HODGKIN DISEASE.
      • Sphéroplastes 0 questions Cells, usually bacteria or yeast, which have partially lost their cell wall, lost their characteristic shape and become round.
      • Spores 0 questions Eléments reproducteurs des organismes inférieurs, tels que les bactéries, les protozoaires, les champignons et les plantes cryptogamiques.
      • Cellules Souches 0 questions Relatively undifferentiated cells that retain the ability to divide and proliferate throughout postnatal life to provide progenitor cells that can differentiate into specialized cells.
      • Thymocytes 0 questions
    • Liquides Et Sécrétions Biologiques 2 questions Liquid substances produced by living organisms to fulfill specific functions or excreted as waste. Secretions do not include hormones or enzymes.
    • Anatomie Animale 3 questions Organs and other anatomical structures of non-human vertebrate and invertebrate animals.
    • Système Stomatognathique 4 questions The mouth, teeth, jaws, pharynx, and related structures as they relate to mastication, deglutition, and speech.
    • Systèmes Sanguin Et Immunitaire 1 question Organs involved in the production of BLOOD, including the cellular and the molecular components essential in providing defense against foreign organisms or substances.
    • Structures Embryonnaires 1 question The anatomical parts that make up an organism in the early stages of development.
    • Système Tégumentaire 0 questions The outer covering of the body composed of the SKIN and the skin appendages, which are the HAIR, the NAILS; and the SEBACEOUS GLANDS and the SWEAT GLANDS and their ducts.
    • Plant Structures 2 questions
    • Fungal Structures 0 questions
    • Bacterial Structures 2 questions
    • Viral Structures 0 questions
  • Organismes 37 questions Any living biological entity, such as an animal, plant, fungus, or bacterium.
  • Maladies 166 questions Any impairment of normal physiological function affecting all or part of an organism, esp a specific pathological change caused by infection, stress, etc, producing characteristic symptoms; illness or sickness in general.
  • Produits chimiques et pharmaceutiques 79 questions Any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use and any synthetic, semisynthetic, or natural chemical substance used in the treatment, prevention, or diagnosis of disease, or for other medical reasons.
  • Techniques et équipements analytiques, diagnostiques et thérapeutiques 36 questions
  • Psychiatrie et psychologie 14 questions The branches of medicine concerned with the diagnosis and treatment of mental illness and the scientific study of all forms of human and animal behaviour, sometimes concerned with the methods through which behaviour can be modified.
  • Phénomènes et processus 17 questions
  • Disciplines et professions 9 questions
  • Anthropologie, enseignement, sociologie et phénoménes sociaux 5 questions
  • Technologie, industrie et agriculture 1 question
  • Sciences humaines 6 questions
  • Sciences De L'Information 1 question Champ de la connaissance, théorie, et technologie, traitant de la collection de faits et de calculs, ainsi que des processus et des méthodes impliqués dans leur manipulation, stockage, diffusion, publication, et recherche. Il inclut la communication, l'édition, la bibliothéconomie, et l'informatique.
  • Individus 5 questions
  • Santé 68 questions
  • Caractéristiques d'une publication 2 questions
  • Lieux géographiques 9 questions The study of the natural features of the earth's surface, including topography, climate, soil, vegetation, etc, and man's response to them.
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