(n. pl.) Small, generally microscopic, vibrating appendages lining certain organs, as the air passages of the higher animals, and in the lower animals often covering also the whole or a part of the exterior. They are also found on some vegetable organisms. In the Infusoria, and many larval forms, they are locomotive organs.
(n. pl.) Hairlike processes, commonly marginal and forming a fringe like the eyelash.
(n. pl.) Small, vibratory, swimming organs, somewhat resembling true cilia, as those of Ctenophora.
Example Sentences:
(1) Electron microscopic evaluation of microsomal fractions showed elements of the plasma membrane, including cilia and microvilli, as well as rough and smooth endoplasmic reticulum.
(2) However, when cells were grown in medium containing 2% dimethyl sulfoxide, as many as 50% of the cells had cilia with a 9+0 microtubular pattern.
(3) The narrow intercellular ridge is smooth, whereas the epithelial cells have small cytoplasmic knobs between the cilia.
(4) Chemosensory cilia of olfactory receptor neurons contain an adenylate cyclase which is stimulated by high concentrations of odorants.
(5) An unusual monomeric cGMP-dependent protein kinase, enriched in cilia, was isolated from Paramecium cilia and whole cells.
(6) Although younger, the CF patients tended to be more obstructed in their lungs and more handicapped than the patients suffering from the immotile-cilia syndrome.
(7) Although the functional significance of S-100b protein-like immunoreactivity in the centriole, cilia, and basal bodies remains to be elucidated, the present results introduce new perspectives into the investigation of localization and function of S-100 proteins.
(8) The unique structure of these cilia has systematic and phylogenetic significance for the Acoela, and it is argued that ultrastructural characters in general, including characters of organelles, can be validly applied to the phylogeny and systematics of the Metazoa.
(9) The OCI-related membrane appeared a cause of OCI interference with fimbrial ovum capture by preventing the contact between the fimbrial cilia and the cumulus oophorus.
(10) 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.
(11) The pattern of microtubular organization resembles that of cilia modified for chemoreception rather than that of classic kinocilia.
(12) We observed distinct patterns in the distribution of cilia, microvilli, other cell projections, and the so called supraependymal structures.
(13) We investigated the ultrastructure of nasal cilia in 27 children suffering from recurrent infections of the upper respiratory tract, during and after the onset of an acute respiratory infection, and after a convalescent period of 12 weeks.
(14) Receptor cells with cilia were observed, and although the olfactory system undergoes further differentiation during pouch life and although the olfactory epithelium and bulb of the newborn differs from that of the adult, these facts do not preclude the ability of the newborn to detect smell.
(15) Prednisolone, a hormone morphogenetic in mammals appeared to be the most active in regenerating cilia.
(16) The isolated cells have an ovoid soma, a dendrite of variable length which terminates in a cilia-bearing knob and an axon, also of variable length.
(17) Receptors with intracellular cilia also lie below the epithelium and send dendrites bearing cilia to the surface.
(18) After 40-70 Gy, scanning electron microscopy revealed the formation of vesicles on cilia, and club-like protrusions and adhesion of their tips.
(19) Cilia, primarily of the lamellibranch gill (Elliptio and Mytilus), have been examined in freeze-etch replicas.
(20) Ciliary abnormalities fell into four major categories: (1) cilia with a single axoneme and excess cytoplasmic matrix; (2) compound cilia; (3) intracytoplasmic microtubular doublets; and (4) cilia within periciliary sheaths.
Pseudopodia
Definition:
(pl. ) of Pseudopodium
Example Sentences:
(1) Poorly-differentiated tissue produced a more haphazard out-growth of pleomorphic cells with few processes and flattened pseudopodia.
(2) Invaginating mesodermal cells of the lateral and ventral parts also form pseudopodia, and are in contact with the blastocoelic wall.
(3) Scanning and transmission electron microscopy revealed that promastigotes of the invasive species entered fibroblasts flagellum-end first through pseudopodia-like structures formed on the host cell surface, reminiscent of "induced phagocytosis."
(4) Upon contact with the interface, they project numerous lamellipodia and pseudopodia.
(5) When explants of neurofibroma tissue were cultured, macrophage-like cells with pseudopodia migrated out first, and later took on a slender fusiform shape.
(6) A new model for clot contraction is proposed, based on the rigidity of the long spiky pseudopodia and on the motile properties of platelets.
(7) In addition to moderate and severe vacuole, granule, and pseudopodia formation, all contractile activity was inhibited as early as 2 h after exposure to the intermediate concentration of 1 x 10(-4) M amitriptyline.
(8) Ultrastructurally the thyroid epithelial cells show pseudopodia protruding into the lumen at zero, two and six hours after birth.
(9) Other cytoplasmic elements of the myoastrocytes were deeply indented nuclei, endoplasmic reticulum and pseudopodia with large cytoplasm.
(10) They gradually displayed active membrane pseudopodia, thorn-like processes and petal-like ruffles after 2 h to 4 h of cultivation.
(11) This effect was directly related to the development of pseudopodia and may reflect alteration of surface features of the rod outer segment (ROS)-RPE interface related to phagocytosis.
(12) Electron microscopic analysis of livers at reflow revealed Kupffer cells with numerous pseudopodia and lamellapodia, reflecting an activated state.
(13) Whereas the intramembranous particle number in glial pseudopodia is only slightly lower than in their perikaryal plasmalemma, the number of particles in outgrowing axons increases about eightfold from the periphery towards the perikaryon.
(14) alpha-tocopherol-enriched platelets that adhered to adhesive surfaces failed to show the usual long thin pseudopodia but exhibited short, rounded, blunt projections.
(15) Under unfavorable conditions for growth, haploid myxoamoebae of Physarum polycephalum retracted their pseudopodia and changed their cell shape into disk-like form, after which they constructed the cell walls to form microcysts.
(16) This inhibition is accompanied by a cessation of the movement of ruffles and pseudopodia on the surface of the cells and the formation of blebs which arise from the cell's surface.
(17) Pseudopodia counts were made on electron micrographs, and calculated as a percentage of the NSG population.
(18) Calcium triggers the actin-myosin interaction and the developing force, possibly together with a local increase of the cation concentration, may cause the collapse of the microtubular ring and its reappearance in the forming long pseudopodia.
(19) The entire cell surface arrears to be capable of fusion since fusion occurs in regions where pseudopodia make contact with each other or with a neighbouring cell body and also in areas where cells are in contact along their entire periphery.
(20) Amoebae were seen in the process of detaching portions of cytoplasm from whole ME cells by means of distinctive ingesting pseudopodia, and fragments of mammalian-cell cytoplasm were identified within the food vacuoles of trophozoites.