What's the difference between feather and pennate?

Feather


Definition:

  • (n.) One of the peculiar dermal appendages, of several kinds, belonging to birds, as contour feathers, quills, and down.
  • (n.) Kind; nature; species; -- from the proverbial phrase, "Birds of a feather," that is, of the same species.
  • (n.) The fringe of long hair on the legs of the setter and some other dogs.
  • (n.) A tuft of peculiar, long, frizzly hair on a horse.
  • (n.) One of the fins or wings on the shaft of an arrow.
  • (n.) A longitudinal strip projecting as a fin from an object, to strengthen it, or to enter a channel in another object and thereby prevent displacement sidwise but permit motion lengthwise; a spline.
  • (n.) A thin wedge driven between the two semicylindrical parts of a divided plug in a hole bored in a stone, to rend the stone.
  • (n.) The angular adjustment of an oar or paddle-wheel float, with reference to a horizontal axis, as it leaves or enters the water.
  • (v. t.) To furnish with a feather or feathers, as an arrow or a cap.
  • (v. t.) To adorn, as with feathers; to fringe.
  • (v. t.) To render light as a feather; to give wings to.
  • (v. t.) To enrich; to exalt; to benefit.
  • (v. t.) To tread, as a cock.
  • (v. i.) To grow or form feathers; to become feathered; -- often with out; as, the birds are feathering out.
  • (v. i.) To curdle when poured into another liquid, and float about in little flakes or "feathers;" as, the cream feathers
  • (v. i.) To turn to a horizontal plane; -- said of oars.
  • (v. i.) To have the appearance of a feather or of feathers; to be or to appear in feathery form.

Example Sentences:

  • (1) These studies indicate that at each site of induction during feather morphogenesis, a general pattern is repeated in which an epithelial structure linked by L-CAM is confronted with periodically propagating condensations of cells linked by N-CAM.
  • (2) Sexually mature males have long, 'feathered' tails as compared with females.
  • (3) HVT-specific immunofluorescent antigen was detected in the feather follicle epithelium (FFE) and in the surface layer of the skin epidermis.
  • (4) This is a team who have found their feet after that winless group section, a side who have already seen off the much admired Croatia and who can ruffle the feathers of the hosts or the reigning world champions.
  • (5) The most consistently sensational evidence from Icac has been around former Labor member Eddie Obeid and the influence he wielded in the NSW Labor government to feather his own nest.
  • (6) However, feather loss (in one test) was associated with escape and avoidance behavior of groups; stepwise increases in fearfulness with increasing group size were associated with similar increases in loss of feathers.
  • (7) It may be just as well that Hugh Grant fervently believes a film succeeds on its qualities, not on publicity about its stars, because he did his tabloid reputation as a heartless, feather-brained Lothario immense harm in the process of delivering damning testimony on phone-hacking to the Leveson inquiry on Monday.
  • (8) If that effect existed in small animals, they would lose less heat if nude than if fur or feathers were present.
  • (9) Daily subcutaneous injection of L-dopa for 4 weeks into 2-year-old low egg production hens resulted in a lightening of feather color to snow white and increased oviduct and ovary weights and the development of well developed follicles.
  • (10) Hatched chicks were small and had pale feathers, skin, skeletal muscles, bone marrow, and viscera.
  • (11) During feather follicle formation, N-CAM was expressed in the dermal papilla and was closely apposed to the L-CAM-positive papillar ectoderm, while the dermal papilla showed no evidence of laminin or fibronectin.
  • (12) One hundred forty-two allergic children aged three to 18 years were studied for evaluation of the usefulness of skin testing with influenza vaccine as a means of identifying those children who could be immunized safely despite their allergies to chickens, eggs, or feathers.
  • (13) The Glasman "project" will undoubtedly ruffle feathers inside and outside Labour.
  • (14) Successful colonization and invasion of experimentally inoculated feathers required addition of moisture and elevation of relative humidity within the cultures.
  • (15) Injections of ovine prolactin during the pause-inducing procedure significantly reduced the subsequent rate of loss of primary wing feathers, suggesting that in certain physiological states, PRL may function to suppress molting.
  • (16) The endogenous virus, ev6, markedly reduced recovery of the endogenous virus (EV21) from plasmas of slow-feathering chickens.
  • (17) The very first collection we worked on together was called The Birds, and when he got the Givenchy job and we went to Paris, and he got to see what the Givenchy ateliers could do with feathers, he was just blown away.” The photographer Anne Deniau, who took many portraits of McQueen and whose camera was from 1997 to 2010 the only one allowed backstage at McQueen shows, felt that he loved “the lightness, the delicacy, of feathers.
  • (18) Retinal pigmented epithelium of White Leghorn chick embryos did not give rise to pigmentation of feather primordia in the hosts.
  • (19) The type of curve described by a feather is characteristic of its tensile properties and its degree of softness.
  • (20) Total amino acid flow to the duodenum was 19.3 and 15.6% higher for cows fed the feather meal and combined meal diets, respectively, compared with the soybean meal diet.

Pennate


Definition:

  • (a.) Alt. of Pennated

Example Sentences:

  • (1) The anular laminas from individuals less than 40 years of age consisted of obliquely orientated collagen fibers exhibiting a pennate arrangement.
  • (2) Both muscles are rather pennate, so that the increase of physiological cross-sectional area is a major factor in the determination of muscle length.
  • (3) Muscle length, mass, fiber pennation angle, fiber length, and sarcomere length were determined.
  • (4) In general, the fixed pennation assumption provides the worst estimate of muscle force output with a peak error of 0.31 Fo during isometric contractions at small muscle lengths.
  • (5) Relationships between length and active force (at full activation) of the lower-leg muscles were calculated by use of (i) a unipennate muscle model, (ii) a bipennate model, and (iii) bipennate models in which the cosine of the pennation angle is approximated as length independent.
  • (6) Muscle length, mass, fiber pennation angle, fiber length, and sarcomere length (by use of laser diffraction techniques) were determined.
  • (7) These findings suggest that the angulation of tendon planes, and possibly pennation angles, are different depending on the viewing angle.
  • (8) Measurements were made of the muscle lengths and angles of pennation from cadavers, and these were used to predict sarcomere lengths at other limb positions.
  • (9) The assumption that the pennation angle changed with fibre length maintained an error of less than 0.05 Fo for most lengths and velocities tested and provided the best estimate of muscle force output.
  • (10) The stapedius muscle showed a circum-pennate structure with a para-centrally located tendon and was composed of about 500 muscle fibers.
  • (11) Levels of the cyclic nucleotides, cAMP and cGMP, were determined in four species of pennate diatoms; changes in their levels and ratios were monitored in silicon-starved and light-dark synchronized cultures of Cylindrotheca fusiformis.
  • (12) The relation between muscle fibre length and angle of insertion in the myomeres showing pennate arrangement is approximated by the Benninghoff and Roll-häuser equation but the values recorded deviated systematically from the values calculated.
  • (13) Forward light scatter and Coulter volume were closely related (except for the pennate diatoms) over a range of about 0.01 to 30 pL (equivalent spherical diameter about 3 to 40 microns), according to a logarithmic function.
  • (14) Muscle length, mass, fiber pennation angle, fiber length, and sarcomere length were determined with the use of laser diffraction techniques.
  • (15) Specimens sectioned through the origin of the inferior head of the muscle show internal tendon lamellae consistent with a pennate structure.
  • (16) The fibres are short, obliquely attached to the tendon in a pennate manner and close together.
  • (17) Functional characteristics of the muscle tendon complex can be explained by architectural or dimensional-peculiarities emerging in the complex by growth processes of which the main is that the muscle belly of this pennated muscle grows in length mainly by increments in girth of the muscle fibers proper.
  • (18) No consistent relation was found between the spinal site of origin of a ventral root filament and the proximo-distal distribution of its fibres within the pennate muscle.
  • (19) It is also concluded that atrophy of pennate muscles does not have to be accompanied by a lower fibre and aponeurosis angle.
  • (20) GM is a very pennate muscle, combining relatively short muscle fibre length with sizable fibre angles and long muscle and aponeurosis lengths.

Words possibly related to "pennate"