Tissues

The human body as well as that of other animals (Species) is highly structured into organs and tissues which serve specific functions. Tissue is the organizational level intermediate between cells and organs system which compose the whole organism. All the tissues and cell types defined in an animal organism are hierarchical structured and shall be fully described. o

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  • Hierarchy: + -
  • name description synonyms
    sacral parasympathetic nucleus
    ventral column
    retrodorsolateral column
    dorsomedial column
    ventrolateral column
    lumbosacral nucleus
    vagina A canal in a female mammal that leads from the uterus to the external orifice of the genital canal [Brenda].
    visceral column A column of gray matter in the hindbrain and spinal cord of the embryo, represented in the adult by the dorsal nucleus of the vagus, the superior and inferior salivatory and Edinger-Westphal nuclei and the visceral motor neurones of the spinal cord [Wikipedia: http://www.mondofacto.com/facts/dictionary?general+visceral+efferent+column]. general viseral efferent column
    umbilical cord A cord arising from the navel that connects the fetus with the placenta [Brenda].
    milk A fluid secreted by the mammary glands of females for the nourishment of their young; especially: cow's milk used as a food by humans [Brenda].
    spinal ganglion A ganglion on the dorsal root of each spinal nerve that is one of a series of ganglia lodging cell bodies of sensory neurons [Brenda].
    neuron A grayish or reddish granular cell with specialized processes that is the fundamental functional unit of nervous tissue [Brenda].
    lens A highly transparent biconvex lens-shaped or nearly spherical body in the eye that focuses light rays (as upon the retina) [Brenda].
    cerebellum A large dorsally projecting part of the brain concerned especially with the coordination of muscles and the maintenance of bodily equilibrium, situated between the brain stem and the back of the cerebrum , and formed in humans of two lateral lobes and a median lobe [Brenda].
    penis A male organ of copulation that in male mammals including humans usually functions as the channel by which urine leaves the body [Brenda].
    tract A neural pathway, neural tract, or neural face, connects one part of the nervous system with another and usually consists of bundles of elongated, myelin-insulated neurons, known collectively as white matter. Neural pathways serve to connect relatively distant areas of the brain or nervous system, compared to the local communication of grey matter [Wikipedia: http://en.wikipedia.org/wiki/Neural_pathway]. neural pathway; neural tract; neural face
    phrenic nucleus A nucleus comprised of motor neurones located in medial areas of the ventral horn of the spinal cord from about C3 to C6; axons of neurones in this nucleus innervate the diaphragm [Mondofacto: http://www.mondofacto.com/facts/dictionary?phrenic+nucleus].
    nephron A single excretory unit of the vertebrate kidney [Brenda].
    vas deferens A spermatic duct especially of a higher vertebrate that in the human male is a thick-walled tube about two feet (0.61 meters) long that begins at and is continuous with the tail of the epididymis and eventually joins the duct of the seminal vesicle to form the ejaculatory duct [Brenda].
    epididymis A system of ductules emerging posteriorly from the testis that holds sperm during maturation and that forms a tangled mass before uniting into a single coiled duct which is continuous with the vas deferens [Brenda].
    amnion A thin, tough, membranous sac that encloses the embryo or fetus of a mammal, bird, or reptile. It is filled with a serous fluid in which the embryo is suspended [Brenda].
    testis A typically paired male reproductive gland that produces sperm and that in most mammals is contained within the scrotum at sexual maturity [Brenda].
    axon An axon (also known as a nerve fiber) is a long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body or soma [Wikipedia: http://en.wikipedia.org/wiki/Axon].
    uterus An organ of the female mammal for containing and usually for nourishing the young during development previous to birth [Brenda].
    nucleus thoracicus Clarke's column (column of Clarke, dorsal nucleus, posterior thoracic nucleus) is a group of interneurons found in Lamina VII, also known as the intermediate zone, of the spinal cord [Wikipedia: http://en.wikipedia.org/wiki/Posterior_thoracic_nucleus]. posterior thoracic nucleus; Clarke's column; column of Clarke; dorsal nucleus; posterior thoracic nucleus
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