What's the difference between sessile and stalk?

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.

Stalk


Definition:

  • (n.) The stem or main axis of a plant; as, a stalk of wheat, rye, or oats; the stalks of maize or hemp.
  • (n.) The petiole, pedicel, or peduncle, of a plant.
  • (n.) That which resembes the stalk of a plant, as the stem of a quill.
  • (n.) An ornament in the Corinthian capital resembling the stalk of a plant, from which the volutes and helices spring.
  • (n.) One of the two upright pieces of a ladder.
  • (n.) A stem or peduncle, as of certain barnacles and crinoids.
  • (n.) The narrow basal portion of the abdomen of a hymenopterous insect.
  • (n.) The peduncle of the eyes of decapod crustaceans.
  • (n.) An iron bar with projections inserted in a core to strengthen it; a core arbor.
  • (v. i.) To walk slowly and cautiously; to walk in a stealthy, noiseless manner; -- sometimes used with a reflexive pronoun.
  • (v. i.) To walk behind something as a screen, for the purpose of approaching game; to proceed under clover.
  • (v. i.) To walk with high and proud steps; usually implying the affectation of dignity, and indicating dislike. The word is used, however, especially by the poets, to express dignity of step.
  • (v. t.) To approach under cover of a screen, or by stealth, for the purpose of killing, as game.
  • (n.) A high, proud, stately step or walk.

Example Sentences:

  • (1) Regeneration and reorganization of the proximal cut end of the pituitary stalk is demonstrated in Ompok bimaculatus with the aid of in situ staining technique.
  • (2) Thus, the long stalks of Sk1 or phosphate-starved caulobacters are not merely a function of their longer doubling times.
  • (3) The mesenchyme surrounding the stalk stains positively for fibronectin.
  • (4) Do know how much stalking is too much stalking Seven pages into Google is too much.
  • (5) A rich network of fibers was observed in the median eminence coursing towards the pituitary stalk.
  • (6) ECF1 is separated from the membrane-embedded F0 by a narrow stalk approximately 40 A long and approximately 25-30 A thick.
  • (7) Hormone secretion was increased by electrical stimulation of the pituitary stalk at different frequencies.
  • (8) Furthermore, there were differences between anterior and posterior regions of both slime sheaths and stalk tubes.
  • (9) Five minutes from time a fat red shirt stalked past making the tosser sign and, for emphasis, yelling: "Fucking wankers!"
  • (10) Septal release slightly decreased during pituitary stalk stimulation, whereas it did increase during stimulation of the supraoptic region.
  • (11) It is hemispherical in shape and is located at the end of a 1.5 mm long eye stalk.
  • (12) Since such rats supposedly have a normal pigment distribution and a normal pattern of decussation at the optic chiasm, this finding appears to undermine the suggested role played by stalk melanin in establishing the laterality of retinal fibre projections in other mammalian species.
  • (13) As culmination proceeds, pstA cells transform into pstB cells by activating the ecmB gene as they enter the stalk tube.
  • (14) Other steps, such as the introduction of a national stalking helpline and national revenge pornography helpline have assisted victims.
  • (15) And we know once they leave, men will follow and stalk them.
  • (16) The ultrastructure of some aggregating microorganisms, including fungal hyphae and sheath-forming and stalked bacteria, was studied in detail, and several modes of aggregation were suggested.
  • (17) George, a loner who was said to have stalked and photographed hundreds of women, always maintained his innocence.
  • (18) • One in 10 women have been stalked by a previous partner.
  • (19) Police investigating the Virginia Polytechnic Institute and State University massacre, which left 33 dead, mainly students, blamed Cho, a fourth-year English student who lived on the campus, for earlier incidents ranging from stalking women to setting fire to a dormitory.
  • (20) The editor of the Spectator stalks the corridors reminding all and sundry that the national debt will have risen far faster and higher under Cameron than under Labour in 13 years.