(n.) A little sac; specifically, the sacculus of the ear.
Example Sentences:
(1) In the cis-trans axis of the Golgi apparatus the following compartments were observed: (a) On the cis face there was a continuous osmiophilic tubular network referred to as the cis element; (b) a cis compartment composed of 3 or 4 NADPase-positive saccules perforated with pores in register forming wells that contained small vesicles; (c) a trans compartment composed of 1 or 2 TPPAse-positive elements underlying the NADPase ones, followed by 1 or 2 CMPase-positive elements that showed a flattened saccular part continuous with a network of anastomotic tubules.
(2) When observed, pathological lesions consisted of air sacculitis, fibrinopurulent polyserositis and ventriculitis.
(3) In the Golgi apparatus of spermatids, the cis-element, 4 or 5 underlying saccules, as well as one or two thick trans Golgi elements were G6Pase reactive.
(4) Such prosecretory granules, large and irregular in shape, "peeled off" from the stacks of saccules with residual saccular or tubular structures still attached to them, some of the latter forming trans-tubular networks.
(5) Ganglion cells innervating the posterior canal were located in the caudal part of the inferior ganglion, while those cells innervating the saccule were located in the rostral part of the inferior ganglion, scattered in the superior ganglion, and concentrated at the junction (isthmus) between the two.
(6) While no clear pattern in the association of strong NADPase activity with lysosomes was apparent relative to the ultrastructural distribution of NADPase activity in Golgi saccules or elements of the trans Golgi network, the results of this investigation suggested that cells having NADPase localized predominantly toward the trans aspect of the Golgi apparatus (in trans Golgi saccules or elements of the trans Golgi network or both) have few NADPase-positive lysosomes.
(7) In 6% the laryngeal saccules were pathologically enlarged as interne laryngoceles, in all cases in males.
(8) Separate extracellular injections were made of the anterior branch, the posterior branch, the ampullary nerve of each of the three semicircular canals, and the branch to the saccule.
(9) RER and Golgi saccules were inconspicuous in these cells and this might indicate decreased production of PRL.
(10) Our patient had anomalous configuration of lateral semicircular canal and an abnormally high location of the utricle and saccule.
(11) Although microinjected Golgi fragments were able to effect the formation of stacked saccules in vinblastine-treated oocytes, negligible transfer of heterologous material to the oocyte surface could be detected by radioautography.
(12) The opposition line does not divide each macula simply down its midline; instead, the line divides the regions with thich bundles into nearly equal opposing areas, except for a remarkably abrupt large loop in the line in the anterior part of the saccule.
(13) Labeling with a polyclonal antibody to amylase was found in the Golgi saccules, immature and mature secretory granules, but not in the trans Golgi network.
(14) These last elements consisted of prosecretory granules attached to flattened, empty-looking saccules showing buds at their surface; detached, more-or-less fenestrated, flattened saccules; and shrivelled residual trans-tubular networks.
(15) Previous studies have demonstrated the existence of acoustic responses from the saccule in guinea pigs for stimulus intensities above 75 dB SPL.
(16) The results indicate that SER-derived vesicles, containing fat droplets, migrate from the apical cytoplasm of the absorptive cell and fuse with saccules or vacuoles of the Golgi complex.
(17) Histological examination of the temporal bones showed separation of otoconia from the otolithic membrane of the saccule and bleeding in the saccule in both conditions.
(18) Sacculations of the SR extend over the A-I junctions of the myofibrils, where they make specialized contacts (diads) with the TTS.
(19) In cultured immature MK from normal progenitors, both peptide components of GPIIb-IIIa appeared in the Golgi saccules and vesicles, and in the small precursors of alpha-granules, labeling both their membranes and their matrix.
(20) After 15 min, CF particles were seen in many small vesicles near the Golgi apparatus, but not in the Golgi saccules.
Utricle
Definition:
(n.) A little sac or vesicle, as the air cell of fucus, or seaweed.
(n.) A microscopic cell in the structure of an egg, animal, or plant.
(n.) A small, thin-walled, one-seeded fruit, as of goosefoot.
(n.) A utriculus.
Example Sentences:
(1) These results demonstrate pauses in the maturation process of the vestibular receptors and show that the utricles develop one week in advance of the cristae.
(2) Our patient had anomalous configuration of lateral semicircular canal and an abnormally high location of the utricle and saccule.
(3) Cristae hair bundles are less developed than those of the utricles on the 1st day after birth, with evidence of ciliogenesis being present in the cristae.
(4) The surfaces of the utricle and the lateral cupula were depressed by a fine glass pipette.
(5) A series of 88 male patients with prostatic utricle cysts (müllerian duct) has been compiled by adding our 3 patients to 85 cases reported.
(6) The utricle and its nerve were isolated with the anterior and the lateral semicircular canal ampullae in frog Ringer's solution.
(7) The theories on development of congenital urethral diverticula are considered and the importance of the clinical, radiological, endoscopical and histological examination for the differential diagnosis of the acquired diverticula and enlarged utricle is emphasised.
(8) In ketamine anesthetized cats, the contralateral labyrinth, the ipsilateral utricle, the ipsilateral horizontal and anterior semicircular canal nerves were completely destroyed, leaving the ipsilateral saccule intact.
(9) Occlusion of the anterior vestibular artery has resulted in severe degeneration and new bone formation limited to the utricle, saccule, and superior and lateral semicircular canals.
(10) The distribution of the pathological hair cells in the utricle was more general than in the ampullae.
(11) Urethrography revealed the prostatic utricle in the second case.
(12) Leaving age-related changes out of account, the utricle and horizontal canal ampulla appeared normal in all ears except one in which the ampulla was replaced by tumor tissue.
(13) The utricle and the proximal portion of the endolymphatic duct were studied using light and electron microscopy.
(14) Neogenesis and growth of otoconia appear to occur postnatally, with different characteristic growth potentials for those of the saccule and the utricle.
(15) By means of electron microscopy, it was shown, that this layer is identical with the host-cell cytoplasm enclosing utricle-like a giant, membrane-bound parasitophorus vacuole, which in both types of schizonts was closely filled with parasites and an enclosing ground substance.
(16) K+-NPPase activity was most intense in the strial marginal cell, followed by the dark cell of the ampulla and the utricle.
(17) The embryology of the utricle and the relationship of the dilated utricle to the müllerian duct regression factor are discussed.
(18) In hatchlings, tannic acid, which precipitates mainly proteoglycans, stained the mineralizing GMs of the utricle, saccule and lagenar macula darker than it did the nonmineralizing GMs of the cristae and tectorial membrane of the basilar papilla, while Alcian blue and ruthenium red stained all GMs in the vestibule and basilar papilla almost to the same degree.
(19) Multiple anomalies include: abnormal narrowing of the crus commune-utricle junction, superiorly located crus commune and posterior semicircular canal, underdeveloped modiolus, absence of the bony septum between the middle and apical coil (existence of scala communis in left ear), abnormally small internal auditory meatus, and abnormal direction of internal auditory canal, large cartilaginous mass around the superior semicircular canal and in the tympanic end of the fissula ante fenestram, small facial nerve, large facial bony canal dehiscence, anomalic stapes, etc.
(20) Marginal cells from the stria vascularis and dark cells from the posterior wall of the utricle were isolated, dissociated and placed in culture medium.