substantia gelatinosa

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substantia

 [sub-stan´she-ah] (L.)
substance; used in anatomic nomenclature in naming various components of body tissues or structures.
substantia al´ba white matter.
substantia gelatino´sa the substance sheathing the posterior horn of the spinal cord and lining its central canal.
substantia gri´sea gray matter.
substantia ni´gra a dark layer of gray matter separating the tegmentum of the midbrain from the crus cerebri.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ge·lat·i·nous sub·stance

[TA]
the apical part of the posterior horn (dorsal horn; posterior gray column) of the spinal cord's gray matter, composed largely of very small nerve cells; its gelatinous appearance is due to its very low content of myelinated nerve fibers; spinal lamina II (of Rexed).
Farlex Partner Medical Dictionary © Farlex 2012

substantia gelatinosa

(səb-stăn′shē-ə jə-lăt′n-ō′sə)
n.
A narrow, dense, vertical band of gray matter forming the dorsal part of the posterior column of the spinal cord whose gelatinous appearance is due to its very low content of myelinated nerve fibers. It functions in the integration of sensory stimuli that give rise to the sensations of heat and pain.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
Alpha 2 adrenoceptor-mediated presynaptic inhibition of primary afferent glutamatergic transmission in rat substantia gelatinosa neurons.
Furthermore, [GABA.sub.A] receptor-mediated postsynaptic currents were observed to be inhibited after substantially reducing the primary afferents in the substantia gelatinosa of the spinal dorsal horn [15].
El hallazgo es una masa paracecal de 500 cc de secrecion gelatinosa de color blanco pardo, ovarios dentro de los limites normal de pequeno tamano no quistico y el apendice cecal de aspecto mucoso con aereas de abundante fibrina, isquemica y de necrosis, aumento de tamano en su fase flegmonosa, no se encuentran otros hallazgos en peritoneo.
Family Obeliidae Haeckel, 1879 Hartlaubella gelatinosa PS; RG Large colonies with (Pallas, 1766) gonothecae, mostly in salt marshes (tide pools of PSm and RGm), sometimes on wood breakwaters (RG).
Randic, "Low-frequency stimulation of afferent adelta-fibers induces long-term depression at primary afferent synapses with substantia gelatinosa neurons in the rat," Journal of Neuroscience, vol.
La glandula tiroides esta estructurada por miles de foliculos tiroideos, pequenas esferas que miden en el hombre de 0,2 a 0,9 mm de diametro, compuestos por un grupo de celulas foliculares, unidad estructural y funcional de la glandula que presentan un epitelio simple cubico que limita espacios esfericos centrales llenos de sustancia gelatinosa: el coloide, region en la cual se almacenan las hormonas T4 y T3 unidas a una glucoproteina: tiroglobulina (Junqueira & Carneiro, 2000).
Clasificamos como en buen estado a guanacos con medula de color blanco-amarillento y consistencia solida, y como pobre estado a los de medula rosada y gelatinosa. Descartamos a las crias < 3 meses de edad ya que el color de su medula puede depender del proceso de diferenciacion de celulas sanguineas.
Phycoremediation Efficiency Of Three Micro Algae Chlo-Rella Vulgaris, Synechocystis Salina And Gloeocapsa Gelatinosa. SB Academic Review.
Pileo de 10-20 mm de diam., convexo-globoso de joven, volviendose convexo a plano-convexo en la madurez, anaranjado (4 B8) a anaranjado amarillento (4 A5) cuando joven, volviendose finalmente amarillo (3 A4 a 4 A4) con estrias anaranjadas (4 A5 a 4 A7), viscoso, con una capa gelatinosa separable, margen translucido, estriado, al principio notoriamente involuto, posteriormente tendiendo a recto.