What's the difference between cuboidal and spheroidal?
Cuboidal
Definition:
(a.) Cuboid.
Example Sentences:
(1) New lamellae are formed by these cuboidal cells which then divide and migrate into the lamellae where they assume the characteristic attenuated appearance of fibroblasts in the adult dermal lamellae region.
(2) This exogenous protein tracer could be seen in apical vacuoles and phagosomes in the cuboidal parietal epithelium.
(3) The lining epithelium was a single layer of flattened or cuboidal endocervical cells.
(4) 24 hours after birth, the vesicles fill with colloid and the epithelium is cuboidal; the iodine content of the protein increases (between 1 and 2 mu g 127I per mg protein) as well as the thyroglobulin percentate (around 20%).
(5) There was gradual regeneration of epithelium which showed slow maturation from flat non-ciliated epithelium to partially cuboidal and columnar epithelium with some cilia showing early differentiation to respiratory epithelium.
(6) Sclerosing hemangioma of the lung (SHL) was investigated immunohistochemically, histochemically and ultrastructurally with reference to cellular components associated with the histologic pattern: cuboidal cells in the papillary type, round cells in the solid type, flat cells in the hemorrhagic type and stromal cells in the sclerotic type.
(7) The MNT was composed mainly of two cell types: small immature neuroblast-like cells and large columnar or cuboidal epithelial-like cells with or without melanin granules.
(8) By immunofluorescence, staining was confined to cuboidal cells in alveolar spaces.
(9) The tumors were superficial, solitary masses consisting of cuboidal to columnar cells in tubuloglandular arrangement.
(10) Light microscopic and electron microscopic examinations showed that the cysts are lined by flattened to cuboidal epithelial cells which, on their surface, have microvilli of different lengths and underneath a continuous basement membrane.
(11) In the experiments performed on 61 dogs dynamics of changes of morphometrical parameters of mitochondria of brush-border and cuboid cells have been studied at conservation of the kidneys for 120 h in solutions of intracellular type.
(12) In contrast, type II pneumonocytes are cuboidal and are richly endowed with organelles including large Golgi complexes, extensive endoplasmic reticulum and numerous inclusion bodies.
(13) By avidin-biotin complex (ABC) and immunofluorescence method, B-11 was reactive to squamous and transitional epithelium, but was not reactive to simple columnar epithelium from stomach and colon, simple cuboidal epithelium from urinary tubule and thyroid, and pseudostratified ciliated epithelium from trachea and ductus epididymidis.
(14) Out of four cell lines examined, LS174T cells formed glandular structures composed of a simple columnar or cuboidal epithelium with a lumen in the centre of the cell mass.
(15) This portion coexisted with a deeper, preexistent lesion in the substantia propria that was comprised of orderly nests of unpigmented cuboidal nevus cells surrounded by pigmented, spindle-shaped blue nevus cells--a so-called "mixed nevus."
(16) Scanning and transmission electron microscopy revealed that streptomycin-treated cultures were composed of cuboidal-to-columnar shaped cells which maintained intact tight junctions similar to control cultures.
(17) Fine needle aspiration (FNA) biopsies of a thyroid nodule in a patient with longstanding histiocytosis X produced a scanty amount of colloid, a moderately dense mixed inflammatory infiltrate and numerous small papillary fragments lined by cuboidal-to-columnar cells.
(18) The long arterial capillaries of the carp spleen are provided with cuboidal endothelial cells containing filaments approximately 7 nm in diameter.
(19) One hundred renal corpuscles were counted per section and the parietal layer of Bowman's capsule was classified as normal (squamous) or metaplastic (cuboidal).
(20) In the pituitary, similar pattern of localization was also observed in the cuboidal-columnar epithelial cells that lined the par tuberalis between the anterior and intermediate lobes.
Spheroidal
Definition:
(a.) Having the form of a spheroid.
Example Sentences:
(1) Microelectrodes were used to measure the oxygen tension (PO2) profile within individual spheroids at different stages of growth.
(2) Aside from typical nuclear spheroids, irregularly shaped nuclei were frequently seen, associated with increased nuclear folds, transitional stages between nuclear folds and nuclear spheroids were also present.
(3) The nuclei in these typical onocytes appeared oval or spheroid.
(4) The tumor cells of these melanomas are characterized by spheroidal melanosomes and containing pheomelanins.
(5) This is a clinical, histopathological and electron microscopical study on the spheroidal degeneration of the cornea by means of 48 histologically verified cases.
(6) Our results show the feasibility of back-extrapolating multicellular tumour spheroid growth curves to obtain survival estimates that can be applied to establish sublethal damage repair capacity.
(7) HCG, E2 and P4 were secreted into the culture medium throughout the entire culture period, in proportion to spheroid size.
(8) In addition, it was observed that the higher resistance of the V79 spheroid cells than the monolayers to gamma-irradiation is not diminished in the pion peak, suggesting that the underlying phenomenon of intercellular communication influences cell survival even after high-LET irradiation.
(9) Under the 3-dimensional geometry of the spheroid system, there was, however, generally a more extensive ECM.
(10) The spheroids grew exponentially with a volume-doubling time of approximately 24 h up to a diameter of approximately 580 microns and then the growth rate tapered off, more for spheroids grown at the low than at the high oxygen tension.
(11) The cytotoxicity of doxorubicin (DX), 4'-O-methyl-DX (MET-DX), 4'-deoxy DX (DEO-DX), 4'-deoxy-4'-iodo-DX (IODO-DX), daunorubicin (DNR)and 4-demethoxy-DNR (DM-DNR) on LoVo cells cultured as a monolayer (in exponential and stationary phases of growth) and as spheroids, are evaluated following 1-h exposure to the drugs.
(12) Under conditions of severe hypoxia (< 0.01% O2), 2 h of pretreatment or 18 h of simultaneous treatment with SR 4233 did not significantly enhance the effectiveness of 131I-NR-LU-10 in spheroids.
(13) The reported prevalence and severity of primary spheroidal degeneration in Labrador and nothern Newfoundland is based on a survey of 929 patients.
(14) Apparently the latter represented conglomerates of adherent spheroid elements that resembled somewhat "large bodies" of L-forms.
(15) The results of immunotitration and immunodiffusion experiments and of the sodium dodecyl sulfate-polyacrylamide gel electrophoretic analysis of immunoprecipitates revealed: (i) a high degree of immunochemical identity of this enzyme only within the family Enterobacteriaceae; (ii) intermediate-to-weak cross-reaction with the phenylalanyl-tRNA ligases from Pseudomonadaceae, Rhodopseudomonas spheroides, and Bacillus stearothermophilus; (iii) no detectable cross-reaction (with the methods employed) with the enzymes from several gram-positive organisms, Euglena gracilis, and several fungi.
(16) Histological alterations included nerve fibre swelling and degeneration, occasional spheroids, astrocytic gliosis, increased macrophage activity and increased perivascular collagen.
(17) The photosynthetically-incompetent mutant V-2 of Rhodopseudomonas spheroides which is incapable of synthesising bacteriochlorophyll was grown aerobically under conditions of both high and low aeration.
(18) Transplanted spheroids continued to express the growth inhibitory activity.
(19) The outer-layer cells of spheroids and fed plateau monolayers peaked at a similar density; the majority of middle-layer cells banded close to unfed plateau and exponential hypoxic monolayers, while most inner-layer cells banded where fed or unfed plateau hypoxic monolayer peaked in density.
(20) Survival of spheroid and monolayer cells after hypertonic NaCl treatment was identical.