What's the difference between hollow and invaginate?

Hollow


Definition:

  • (a.) Having an empty space or cavity, natural or artificial, within a solid substance; not solid; excavated in the interior; as, a hollow tree; a hollow sphere.
  • (a.) Depressed; concave; gaunt; sunken.
  • (a.) Reverberated from a cavity, or resembling such a sound; deep; muffled; as, a hollow roar.
  • (a.) Not sincere or faithful; false; deceitful; not sound; as, a hollow heart; a hollow friend.
  • (n.) A cavity, natural or artificial; an unfilled space within anything; a hole, a cavern; an excavation; as the hollow of the hand or of a tree.
  • (n.) A low spot surrounded by elevations; a depressed part of a surface; a concavity; a channel.
  • (v. t.) To make hollow, as by digging, cutting, or engraving; to excavate.
  • (adv.) Wholly; completely; utterly; -- chiefly after the verb to beat, and often with all; as, this story beats the other all hollow. See All, adv.
  • (interj.) Hollo.
  • (v. i.) To shout; to hollo.
  • (v. t.) To urge or call by shouting.

Example Sentences:

  • (1) No evidence for consumptive coagulopathy was noted in the absence of heparin during hemodialysis with cuprophane hollow fiber dialyzers.
  • (2) The buccal glands of adults of the Southern Hemisphere lamprey Geotria australis consist of a pair of small, bean-shaped, hollow sacs, embedded within the basilaris muscle in the region below the eyes and to either side of the piston cartilage.
  • (3) The whole thing has made me feel hollow inside,” says one Tory MP.
  • (4) "The hollow words of praise from the home secretary are meaningless today.
  • (5) In order to clarify the role of dialyzer geometry, the effect of hollow-fiber versus flat-sheet dialyzers and of different surface areas on C3a generation and leukocyte degranulation was investigated.
  • (6) A significant improvement in the precision of the hollow cathode as an emission source is reported.
  • (7) These include a redistribution of the neurons that originally were in barrel sides; a reduction in the neuropil between the neurons that originally were within hollows; and differential growth of layer IV dendrites.
  • (8) In layer IV high NMDA receptor densities were specifically confined to the barrel hollows.
  • (9) This study presents results from in vitro and in vivo experiments in rodents by the use of a PEEK-hollow fiber.
  • (10) Pathogenetic and etiologic points of view of the perforation of dermoid cysts of the small pelvis into adjacent hollow organs are discussed in short.
  • (11) This article describes the presurgical evaluation and surgical procedures for the treatment of partially edentulous patients with ITI hollow-screw implants.
  • (12) B43 MoAb was produced in vitro by hollow fiber technology and purified to homogeneity by affinity chromatography.
  • (13) Despite a 30% rate of luminal blockage in stents retrieved after indwelling times up to 3 months, the incidence of clinical obstruction in stented tracts up to 3 months was 4%, confirming other reports that significant urine flow occurs around rather than through hollow, vented stents.
  • (14) attack of pain, retroperitoneal hematoma, hemoperitoneum, rupture into a hollow viscus, infective aneurysm.
  • (15) Produced by Morrissey and Johnny Marr with Stephen Street, MIM sounds more full-blooded than anything they had previously recorded – notably Hatful of Hollow , the compilation that preceded it.
  • (16) Hollowing out legacy media’s revenues while using its content, “ digital colonialism ” and issues of censorship have plagued the company in 2016.
  • (17) In one clothes shop, with racks of discounted Calvin Klein and DKNY, the manager, Sav, explains what's happened: "In this crisis, the middle classes have been hollowed out."
  • (18) We also show that the laminin-derived synthetic peptide YIGSR contains sufficient information to induce single endothelial cells to form ring-like structures surrounding a hollow lumen, the basic putative unit in the formation of capillaries.
  • (19) The story of the past 30 years has been the relentless hollowing-out of industrial Britain, the single biggest change to the British economy in the postwar era.
  • (20) At the basis of each pilus, a cell wall differentiation was observed appearing, in face-on-view, as a ring-like structure made up of subunits, and in side-on view as a hollow cylinder penetrating through the cell wall.

Invaginate


Definition:

  • (v. t.) To insert as in a sheath; to produce intussusception in.
  • (a.) Alt. of Invaginated

Example Sentences:

  • (1) The invaginations were classified into four easily recognized types: regular, chunky, filigree, and ridge (present only in axon hillock regions).
  • (2) Two normal variants that could be confused with abnormalities were noted: (a) the featureless appearance of the duodenal bulb may be mistaken for extravasation, and (b) contrastmaterial filling of the proximal jejunal loop at an end-to-end anastomosis with retained invaginated pancreas may be mistaken for intussusception.
  • (3) A general hypothesis is presented for the positive regulation of the initiation of cell wall and cell membrane invagination in this organism.
  • (4) These cells show many pinocytic invaginations and subsarcolemmic vesicles.
  • (5) Electron microscopically, the tumor cell nuclei were oval or polygonal and sometimes slightly invaginated, with a few prominent nucleoli.
  • (6) 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.
  • (7) By 7 days, vascular buds were present at the edge of the graft and invaginating into the islet tissue.
  • (8) Invaginating mesodermal cells of the lateral and ventral parts also form pseudopodia, and are in contact with the blastocoelic wall.
  • (9) The changes observed were alterations of the nucleus (fingerlike or fingerformed nuclei, nuclear invaginations, and intranuclear vesicular membrane bodies), changes of the mitochondries (number, polymorphy, and osmiophil bodies), as well as changes of lysosomes (myelin-shaped residual bodies).
  • (10) Thus intracellular free calcium may be regulated by a combination of energy-requiring extrusion and passive influx through receptor-operated calcium channels located in the invaginated vesicular membranes, with short diffusion distances to the actin-myosin filaments in the cytoplasm.
  • (11) In this investigation we present results suggesting that the phage nucleocapsid penetrates the host cytoplasmic membrane via a membrane invagination and an intracellular vesicle.
  • (12) In this active area which invaginates the neuronal cytoplasm, osmiophilic granules but smaller can be seen, similar to those in the neighbouring neuron.
  • (13) In order to determine the frequency and specificity of intranuclear cytoplasmic inclusions (invaginations), described by some as an important criterion for the cytologic diagnosis of thyroid carcinoma, 258 consecutive thyroid aspirates were reviewed.
  • (14) At the stage when each placode first becomes visible conspicuous differences have been seen in the surface morphology between those cells which will invaginate and form the placode and those which will remain on the surface of the head, forming the epidermis.
  • (15) The most common group of neurons within the gustatory zone contains both large (X1) and small (X3) members that possess deeply invaginated nuclear profiles.
  • (16) The majority of the choline acetyltransferase-immunoreactive neurons had fusiform, oval, or polygonal somata with somatic diameters greater than 20 microns and contained deeply invaginated nuclei surrounded by copious cytoplasm.
  • (17) In the last 8 years 15 cases of Meckel's diverticulum were observed, 6 of them with complications: three times inflammation (with two perforations), each once invagination, incarceration and occult bleeding from carcinoids.
  • (18) The development of invaginations and microvesicles in P. malariae-infected erythrocytes corresponded to the morphological alterations induced by P. vivax.
  • (19) The follicle-associated epithelium had invaginations and small vacuoles in the apical cytoplasm, whereas the interfollicular surface epithelium had numerous microvilli on its apical surface and large mucin granules in the apical cytoplasm.
  • (20) The normal red cells were biconcave disks in which chlorpromazine induced inward (negative) curvature: deep cupping (stomatocytosis) and multiple invaginations.

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