(n.) The rudimentary stem of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the stem of the embryo; the caulicle.
(n.) A rootlet; a radicel.
Example Sentences:
(1) Although its etiology is still undetermined, the liver pathology is characterized by occlusive changes of the intrahepatic portal radicles, portal and periportal fibrosis, irregularly distributed parenchyma atrophies and absent of regeneration nodules.
(2) The common hepatic duct opened directly into the mass, and the intrahepatic radicles were dilated.
(3) In order to provide drainage, the catheter should be advanced under fluoroscopic control into one of the major radicles ore preferably into the distal common duct beyond the point of obstruction.
(4) There were numerous retained gallstones in biliary radicles of the right hepatic duct; attempts to dislodge these by saline flushing failed.
(5) Special phenomena related to the small caliber of the needle include duct filling from "invisible" radicles, perivenous or periductal dissection of contrast, and pseudolesions in an incompletely decompressed stagnant bile column.
(6) In the group with Budd-Chiari's syndrome (BCS), in addition to the involvement of the large veins, thrombosis was observed in the small hepatic vein radicles in five out of six cases with myeloproliferative related disorders.
(7) In contrast to previous reports of hepatopathy after irradiation injury, histologic sections of the liver did not demonstrate occlusion of the central veins, but rather a diffuse obliteration of intrahepatic portal venous radicles.
(8) Cholangiographic features were the most characteristic and included irregular narrowing and segmental dilatation of the biliary radicles giving them a beaded appearance.
(9) The changes in hepatic venous radicles are characterized by irregular sclerosis, which seems to contribute significantly toward postsinusoidal block in advanced cases.
(10) This combination is highly radiopaque; it perfuses the small radicles of the vascular tree and sets to a firm rubbery consistency to fascilitate dissection.
(11) The basis of the pathogenesis in pseudocardialgia is the irritation of posterior sensory radicles by osteophytes or disc protrusion.
(12) Angiography showed a hypervascular lesion with shunting of dense contrast material into portal vein radicles.
(13) Pathomorphological studies revealed tissue infiltration of the surrounding intracerebral vessels by tumors cells without proliferation into the dura mater and radicles of the spinal cord.
(14) Our results indicated that the injured type I pneumocytes and endothelia caused by oxygen radicles are the fundamental damages in bleomycin-induced pulmonary fibrosis.
(15) We present a case with extrahepatic portal hypertension and polycythemia vera who complained acute recurrent variceal bleeding in spite of multiple sclerotherapy sessions, with a massive thrombosis of the portal bed and radicles without any possibility to perform a shunt.
(16) At autopsy the radicles of the portal veins were occluded by leukemic infiltrates and fibrosis.
(17) Recording of TSEP and GSEP was found to be of high diagnostic value for the establishment of vascular compression of the nervous radicle in the cerebellopontile angle to determine indications for microvascular decompression.
(18) An extended choledochotomy with further exploration of the intrahepatic radicles also failed to remove the incarcerated stones.
(19) If the tissue scavengers of oxygen radicles are not sufficient to scavenge the increase in oxygen radicles, then lipid peroxidation and tissue damage will occur.
(20) The increased brightness and clear visualization of portal vein radicle walls, previously described in this disease, were detected in only 32.2% of the hepatitis patients but were also seen in 30.9% of the normal controls.
Rootlet
Definition:
(n.) A radicle; a little root.
Example Sentences:
(1) This column is located ventral and lateral to the dorsolateral division of the trigeminal motor nucleus, and just medial to the descending trigeminal nerve rootlets.
(2) Ultrastructurally these glands had apical microvilli with associated glycocalyx and long anchoring rootlets.
(3) They make it possible to dissect, by spending minimal time and making less efforts, the vertebral canal both within several vertebrae and its nearly full length, providing a wide view of the spinal cord, rootlets, and intervertebral ganglia.
(4) Morphology of the mature spermatozoon is modified from that of the classic primitive or ect-aquasperm type by having 1) the acrosome embedded in the nucleus (the only known example within the Mollusca), 2) a deep basal invagination in the nucleus containing proximal and distal centrioles and an enveloping matrix (derived from the rootlet), 3) laterally displaced periaxonemal mitochondria, and 4) a tail extending from the basal invagination of the nucleus.
(5) The distal ends of cut dorsal rootlets were apposed to the fetal tissue.
(6) The caudal portion of the exposed zone of the VCN is in the vicinity of the rootlets of the glossopharyngeal (IX) nerve, and the ventral portion is close to the terminal part of the vestibulocochlear (VIII) nerve.
(7) Prominent, striated rootlets were observed during both the follicular and luteal phases of the cycle.
(8) In both systems, contraction or relaxation of the ciliary rootlets could serve in sensory transduction or adaptation.
(9) In each patient, neuralgia was successfully eliminated by microvascular decompression and by section of the upper rootlets of the vagus nerve.
(10) It is composed of a distal centriole (basal body), a proximal centriole, a striated rootlet 2-3 micron long which is composed of a bundle of 4-6 nm filaments, and an arched rootlet, also striated, which is composed of a relatively loose bundle of 9-11 nm filaments.
(11) During the first week after birth, at least one capillary was directly related to each rootlet, generally over about half the length of the transitional zone.
(12) In Rhinolasius, one receptor possesses a short bulbous cilium without a rootlet, with a septate desmosome of the pleated sheet (comb) type and a weakly developed electron-dense band beneath it.
(13) Type 2 rootlets turn ventrally to run in the glia limitans in the transverse plane of the cord before emerging.
(14) No variations in bundle length (nor changes in rootlet periodicity) were observed in tissue fixed under conditions of calcium activation.
(15) At an early stage of the development of the terminal web (13 days), fodrin 240 and a small amount of myosin are expressed, and a few actin-associated cross-linkers are present between the rootlets.
(16) It consists of a 2 mm deep microsurgical lesion directed at a 45 degrees angle in the posterolateral sulcus and penetrating the dorsal root entry zone in its ventrolateral aspect, at the level of all the rootlets considered involved in spasticity (and pain).
(17) The procedure was carried out at each sensory rootlet considered to be responsible for the harmful spasticity and pain.
(18) A number of lateral horn cells could be activated antidromically by stimulating the ventral rootlets.
(19) Near the anterior part of the cell, all eight rootlets serve as attachment sites for large numbers of cytoplasmic microtubules which occur in a single row around the circumference of the cell and closely parallel the cell shape.
(20) The procedure involves lumbar laminectomy with stimulation of the rootlets (fascicles) of the second lumbar to the first sacral posterior roots bilaterally; those rootlets associated with an abnormal motor response, as evidenced by sustained or diffused muscular contraction, are divided leaving intact rootlets associated with a brief localized contraction.