What's the difference between fixed and sessile?

Fixed


Definition:

  • (imp. & p. p.) of Fix
  • (a.) Securely placed or fastened; settled; established; firm; imovable; unalterable.
  • (a.) Stable; non-volatile.

Example Sentences:

  • (1) The catheter must be meticulously fixed to the skin to avoid its movement.
  • (2) The binding properties of formalin-fixed amelanotic melanoma cells were not identical to those of endothelial or unfixed target cells.
  • (3) On the basis of 180 interventions, they describe in detail the use of fibrin glue in myringo- and tympanoplasty for correct fixing of grafts.
  • (4) Theresa May signals support for UK-EU membership deal Read more Faull’s fix, largely accepted by Britain, also ties the hands of national governments.
  • (5) According to the finite element analysis, the design bases of fixed restorations applied in the teeth accompanied with the absorption of the alveolar bone were preferred.
  • (6) At a fixed concentration of nucleotide the effectiveness of elution was proportional to the charge on the eluting molecule.
  • (7) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
  • (8) Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma.
  • (9) Females were killed at various times after the onset of mating or artificial insemination, oviducts were fixed and sectioned serially, and spermatozoa were counted individually as to their location in the oviduct.
  • (10) Rigidly fixing the pubic symphysis stiffened the model and resulted in principal stress patterns that did not reflect trabecular density or orientations as well as those of the deformable pubic symphysis model.
  • (11) Using a monoclonal antibody against dopamine and a rabbit antiserum against serotonin, 5-methoxytryptamine or tryptamine, we were able to achieve the simultaneous localization of two amines in glutaraldehyde-fixed sections of rat dorsal raphe nuclei.
  • (12) In one series of experiments, the animals were not treated before the tissues were conventionally fixed; in another, anesthetized animals were administered horseradish peroxidase 20 min before the tissues were fixed.
  • (13) Since all human cadaveric tissue is fixed whilst on the skeleton, we may assume that shrinkage of the muscles in such specimens is negligible.
  • (14) Isolated outer hair cells from the organ of Corti of the guinea pig have been shown to change length in response to a mechanical stimulus in the form of a tone burst at a fixed frequency of 200 Hz (Canlon et al., 1988).
  • (15) After permeabilization, with attendant partial extraction, the preparation can be fixed, then viewed by either deep-etch replication, or by high-resolution scanning electron microscopy, with structure of interest revealed in deep view.
  • (16) In contrast, in paraffin as well as in frozen sections of chick oviduct, fixed by immersion or in vapor, PR was exclusively nuclear, including in the absence of progesterone, and the intensity of immunostaining was not modified by progesterone treatment.
  • (17) Filipin-induced lesions in glutaraldehyde-fixed parasites indicated higher levels of beta-hydroxysterols in the amastigote than in the promastigote plasma membrane, and in the promastigote flagellar membrane than in the body membrane.
  • (18) Using a silver staining technique (AgNOR technique), we have investigated the nucleolar organizer-associated proteins (NORs) in formalin-fixed paraffin embedded conjunctival specimens of 15 intraepithelial squamous carcinomas, 10 hyperplastic-dysplastic samples and 10 control epithelial fragments; the mean number of intranuclear black dots was determined for each case.
  • (19) Radiologists may encounter patients with fixed dental prostheses that may produce image distortion on MRI scans of the face and jaw.
  • (20) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.

Sessile


Definition:

  • (a.) Attached without any sensible projecting support.
  • (a.) Resting directly upon the main stem or branch, without a petiole or footstalk; as, a sessile leaf or blossom.
  • (a.) Permanently attached; -- said of the gonophores of certain hydroids which never became detached.

Example Sentences:

  • (1) These 87 adenomas were mostly (79%) under 5 mm in diameter, sessile (89%) and histologically tubular with slight dysplasia (95%).
  • (2) We classify the hernias as pedunculated or sessile, with associated factors such as viability of herniated brain, infection, CSF leak, and neurologic complications.
  • (3) Two hundred and fifty colonoscopy procedures were reviewed, revealing 87 sessile colon polyps ranging from 0.5-6.0 cm.
  • (4) Traditional elastomeric impression materials, four recently developed "hydrophilic" silicones and a hydrocolloid have been tested for their accuracy of reproduction by use of indirect measurements via plaster dies and for their wettability by means of the sessile drop method.
  • (5) In flow-through microcosms RC-4(pSI30), undetectable as free-living cells, was found by enrichment as irreversibly bound sessile forms.
  • (6) Endoscopic resection of large sessile adenomas can be safe and effective.
  • (7) Pieces of Douglas fir and polyvinyl chloride were colonized in a recirculating system and the comparative efficacy of two biocides (Bronopol and Kathon) against the sessile and planktonic populations was examined.
  • (8) A 44-year-old woman was found to have a sessile lesion replacing most of her endometrium and endocervical mucosa, consisting of an intimate admixture of endometrial glands, endometrial stroma, and smooth muscle.
  • (9) Microscopically, they varied from complex papillary to sessile nodular growths.
  • (10) In the various tested situations in which the migration of cells to lymph nodes was inhibited, it seemed to be the relationship of the cell surfaces of the sessile and circulating cells which played an important role in the outcome of their interactions.
  • (11) This role includes many facets of immunity such as the effects of antigen specificity, immunologic memory, differential behavior of recirculating or sessile populations, and local and systemic contact between antigen and effector cells.
  • (12) The mineralization activity of sessile catheter-associated bacteria was unaffected by four hr.
  • (13) The expression of HLA-DR, HLA-DP and HLA-DQ antigens and of the associated invariant chain (Ii) was studied immunohistologically in sessile cells of normal ileum and ileum affected by Crohn's disease which was taken as a model for chronic inflammation.
  • (14) Large polyps are sessile or pedunculated lesions that are larger than or equal to 3 cm in size.
  • (15) Evidence is presented that upon stimulation with endotoxin (lipopolysaccharide, LPS), Kupffer cells, the body's largest pool of sessile macrophages, synthesize and liberate a factor whose immunological, cytotoxic and chemical properties are those described for tumor necrosis factor (TNF)-alpha.
  • (16) We have devised a modification of the sessile drop method for making the required measurements.
  • (17) Depending on three related factors (increasing size, a sessile rather than pedunculated mode of growth, and a villous rather than tubular microscopic architecture), one may find minute (1 to 2-mm) or microcancer with increasing frequency in adenomas.
  • (18) and Dolichoderinae (Tapinoma sessile, Conomyrma insana, Conomyrma wheeleri).
  • (19) B lymphocyte development occurs in the intersinusoidal spaces of bone marrow in association with a sessile population of stromal cells.
  • (20) When the results for five strains were studied by analysis of variance at 6 and 24 h, the main variable was the antibiotic concentration, followed by the culture conditions, e.g., planktonic or sessile bacteria, the strain tested, and the time of contact.