What's the difference between protrusion and protuberance?

Protrusion


Definition:

  • (n.) The act of protruding or thrusting forward, or beyond the usual limit.
  • (n.) The state of being protruded, or thrust forward.

Example Sentences:

  • (1) Excessive lip protrusion was eliminated, and arch leveled.
  • (2) Two cases of posterior lumbar vertebral rim fracture and associated disc protrusion in adolescents are presented.
  • (3) Clinical findings and operative results of 212 operated cases of disc protrusion are analyzed in this paper.
  • (4) However, we have observed cracks on the Dacron fibers, fiber fracture, fiber protrusion, and poor attachment to the diaphragm, which can cause potentially disastrous complications.
  • (5) Anterior lenticonus is a rare condition, in which there is a conical or spherical protrusion of the anterior surface into the anterior chamber.
  • (6) The phenomenology of various protrusions, including fimbria, is described, and the effect of cultivation conditions (continuous culture, periodic culture) and growth phases on their emergence was elucidated.
  • (7) The uveal protrusion was replaced and a deep corneoscleral block was removed in front of the scleral spur in three cases, and electrocoagulation of the anterior edges of the trabeculectomy fistula was done in other three cases.
  • (8) These mitochondria had a highly electron dense matrix and protrusions or blebs of mitochondrial outer membrane were frequently observed.
  • (9) When the myoepithelial cells contract they force the axial protrusion forward and transform the papilla into a hyperboloidal configuration.
  • (10) With regard to the pathogenesis of syringomyelia, we concluded that in cases associated with Chiari II malformation, vermian protrusion and direct continuity between the fourth ventricle and the syrinx were essential.
  • (11) Some CTLs contacted infected cells via numerous interdigitating processes; others were observed thrusting finger-like protrusions deep into the target cell; some were seen with their plasma membranes lying closely opposed to that of the infected cell.
  • (12) (d) It is shown that a high value of the cell-to-substrate gap may be accounted for by the presence of cell surface protrusions of a few micrometer length, in accordance with electron microscope observations performed on the same cell population.
  • (13) For protrusive records there was no significant difference between examiners, but for lateral records a significant difference in examiner registration was found.
  • (14) It is suggested that the protrusion of membrane proteins into the aqueous phase, the consequent expression of cell surface charge, and the temperature-dependent modulation of the latter may be related to the lateral mosaicism of membrane lipids and reflect the state of membrane fluidity.
  • (15) The primary cyst wall of the sarcocysts in these granulomas consisted of hair-like protrusions that featured many unusual electron-dense bodies.
  • (16) In some cases, the entire cell surface was covered by these protrusions.
  • (17) A 'small' CG-free area of the cortex, with prominent cytoplasmic protrusions, appeared twice during the progression of meiosis.
  • (18) However, only one out of the patients with calcification is restricted in his movements, and only 3 out of the patients with protrusion do complain of symptoms.
  • (19) The morphology of human leukocytes, the biochemistry of actin polymerization, and the theory of continuum mechanics are used to model the pseudopod protrusion process of leukocytes.
  • (20) On biopsy immediately after worm removal, samples of the main pulmonary arteries showed severe intimal proliferations with villous or papillary protrusion into the lumen.

Protuberance


Definition:

  • (n.) That which is protuberant swelled or pushed beyond the surrounding or adjacent surface; a swelling or tumor on the body; a prominence; a bunch or knob; an elevation.

Example Sentences:

  • (1) The protuberances arose after an exposure of early-exponential phase cells to digestive enzymes from hepatopancreas of Helix pomatia.
  • (2) The patient's main phenotypic features were short-limb dwarfism, craniofacial disproportion with prominent forehead, short neck and trunk with pectus carinatum, and platyspondyly, protuberant abdomen, acromesomelic shortness of limbs, bilateral palm simian crease, short feet with brachydactyly of the 2nd toe, and prominent heels.
  • (3) The active zones were distinguishable as regions with an increased density of large particles and vesicle attachment sites represented by P face depressions and E face protuberances.
  • (4) Rotary-replication of quick-frozen, etched postsynaptic membranes enhanced the visibility of these surface protuberances and illustrated that they often occur in dimers, tetramers, and ordered rows.
  • (5) Comparison of this patient with thirteen previously published cases of this trisomy reveals a pattern of common features including: peculiar craniofacial dysmorphism--facial asymmetry, antimongoloid slant, narrow or short palpebral fissures, prominent nose, long upper lip, micro or retrognathia, high arched palate, low set ears, malformed ears, protuberant occiput--, abnormal fingers and toes, short neck, mental and growth retardation, cardiopathy, respiratory distress etc..
  • (6) A 51-year-old Caucasian man presented with a yellowish lesion containing multiple protuberances over his right cheek.
  • (7) Other features which conform to previous reports are a peculiar face with a long philtrum, protuberant lower lip, relative micrognathia, large dysplastic ears, excessive loose skin folds around the scalp, neck and trunk, large hands with camptodactyly, varus deformities of the feet and a hoarse, low-pitched voice.
  • (8) Characteristic protuberant structures were observed on cells of all cellulolytic strains.
  • (9) In osteo-onychodysostosis, characteristic osseous horns arise from the posterior iliac wings, whereas in Type IX Ehlers-Danlos syndrome, similar protuberances extend inferiorly from the occiput.
  • (10) The indentations and protuberances of the cranial bones in the region of the middle cranial fossa were regarded as reflecting prominent indentations of the gyri and were attributed no pathological significance.
  • (11) Some ciliated cells were also seen to exhibit protuberant mucus protrusion.
  • (12) An artifactual protuberance at the surface of the liver in connection with an incomplete acoustic shadow is described.
  • (13) Patients develop a thoracic kyphosis, a lumbar lordosis, and a protuberant abdomen with prominent horizontal skinfold creases.
  • (14) Upon further incubation at 37 degrees C, Con A was internalized over the entire cell periphery of the rounded, untreated cells but on collagenase-treated PMNs was rapidly gathered into a cap overlying the uropod or protuberant region of cytoplasm where it was subsequently internalized.
  • (15) Oxystomatous crabs of the subfamily Calappinae, particularly the genus Calappa, possess a large tooth on the dactyl and a pair of protuberances on the propodus of the right cheliped.
  • (16) The first case was a six-year-old girl with tumor in the right nostril and epipharynx, the second was a 66-year-old male patient with protuberances in the hypopharynx.
  • (17) The protuberant form of the papilla developed much earlier than the calyceal muscle which was observed in the late stage of intrauterine life.
  • (18) In the margin of non cornified squamous cell carcinomas there are as well bud-like cytoplasmic protuberances like microvilli as microplicae.
  • (19) The young cyst is enclosed by a cyst wall containing numerous small protuberances.
  • (20) When this fundamental plane was projected to the lateral view on CT scan, it appeared to be almost identical to the line connecting the tip of posterior clinoid process to the internal occipital protuberance (the fundamental line).