noun
definition
A tiny opening in the skin.
definition
By extension any small opening or interstice, especially one of many, or one allowing the passage of a fluid.
Examples of pore in a Sentence
This accessory pore is not of uniform significance.
Students do not pore over boring textbooks.
The most important of these opens by the ventral pedal pore, situated in the median line in the anterior half of the foot.
In these, the male organs ripen before the ova and spermatozoa may pass into the uterus before the external pore is formed (Looss).
Dean offered his thanks but was waved away as the threesome continued to pore over the book, reminiscing over days long past and names forgotten.
Her legs cramped with every step and perspiration oozed from every pore in her body.
Carbon adsorbents Controlled pore size represents a " holy grail " for carbon science, since highly selective adsorbents could then be produced.
This surface area analyzer can also be used to determine Langmuir surface areas and total pore volume by gas adsorption.
The pore water pressures under conditions of rapid drawdown are determined using the following procedure.
Fluid inclusion studies will tell us about the pressures and temperatures of the pore fluid inclusion studies will tell us about the pressures and temperatures of the pore fluids during flow.
These are structurally homologous, particularly in their pore lining residues, and yet their single channel conductances differ by nearly tenfold.
As fluid is absorbed, the pore size of the lattice increases, releasing iodine.
Take your pick of the fishing gear, learn to paddle a kayak, or pore over the Captain's charts.
The rates of pore fluid flow are related to the pore pressure gradient through Darcy's Law.
The pore fluid may be brine, which is electrically conductive, or hydrocarbons which are electrically resistive.
The finest pore metal foams can be made using silica micro balloons 100 or 30 microns across in aluminum silicon alloys.
Note the two suckers, the ventral sucker near the genital pore, and the oral sucker near the oesophageal gland.
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The aperture, which was formerly supposed to be an aquiferous pore, leads into an extensive and often ramified cavity surrounded by glandular tubules.
In front of the osphradium is the single genital pore, the aperture of the common or hermaphrodite duct.
After you remove the blackhead, you may notice the pore has become large and open.
The chief difference between the reproductive organs of the two classes is the presence in Cestodes of a separate vagina and uterus, each of which opens in some families to the exterior by an independent pore.
By coalescence of the endoderm-layers, the coelenteron may be reduced to vessels, usually eight in number, opening into a ring-sinus surrounding the pore.
If a distal pore or aperture is present, it is excretory in function; suck varieties have been termed " cystons " by Haeckel.
Thus, among the Oligochaeta there are often a series of dorsal pores, or a single head pore, present also among the Polychaeta (in Ammochares).
In Acanthobdella, however, the testes of each side of the body have grown together to form a continuous band, which extends in front of external pore.
The male duct vd becomes fleshy and muscular near its termination at the genital pore, forming the penis p. Attached to it is a diverticulum fl, in which the spermatozoa which have descended from the ovo-testis are stored and modelled into sperm ropes or spermatophores.
The terminal or first-formed proglottis is sterile, and contains the primitive and (except in a few genera) the only excretory pore.
A, Fasciola hepatica, from the ventral surface (X 2); the alimentary and nervous systems only shown on the left side of the figure, the excretory only on the right; a, right main branch of the intestine; c, a diverticulum; g, lateral ganglion; n, lateral nerve; o, mouth; p, pharynx; s, ventral sucker; cs, cirrus sac; d, left anterior dorsal excretory vessel; m, main vessel; v, left anterior ventral trunk; x, excretory pore.
Pore leading from the pericardium into the glandular sac of the left nephridium.
Pore leading from the glandular into the non-glandular portion of the left nephridium.
Internal pore leading from the non-glandular portion of the left nephridium to the external pore x.
C, Ideal pericardium and neph- i, Pore leading from the glandu ridium viewed laterally.
The genital duct opens by a pore into the urino-genital groove of the oyster (the same arrangement being repeated on each side of the body) close to but distinct from the aperture of the nephridial canal.
D, E, F, Trochosphere stage, D fp, Pore in the foot (belonging mf, The mantle-flap or limbus to the pedal gland?).
They pass out through short vasa deferentia with internal ciliated funnels, sometimes an enlargement on their course - the seminal vesicles - and a minute external pore situated on the side of the tail.
It seemed then as if every pore of life were choked, and Christendom must be stifled and smothered in the fatal embrace."
In the last-named genus the peridium is double and the outer layer becomes ruptured and spreads out in the form of star-shaped pieces; the inner layer, however, merely opens at the apex by a small pore.
If the membrane is of some impermeable substance, like gold leaf, the hyphae cannot dissolve its way through, but the tip finds the most minute pore and traverses the barrier by means of it, as it does a stoma on a leaf, We may hence conclude that a parasitic hyphae pierces some plants or their stomata and refuses to enter others, because in the former case there are chemotropically attractive substances present which are absent from the latter, or are there replaced by repellent poisonous or protective substances such as enzymes or antitoxins.
The excretory organs are typical nephridia, with an internal ciliated opening into the body-cavity, and an external pore.
In Coleochaete the oogonial wall is drawn out into a considerable tube, which is provided with an apical pore, and this tube has a somewhat similar appearance to the imperforate trichogyne of Florideae to be hereafter described.
Unable to induce Burr to avow Federalist principles, influential Federalists, in defiance of the constitution, contemplated the desperate alternafive of preventing an election, and appointing an extra-constitutional (Federalist) president pro tern pore.
In the genus Danaeites, from the Coal Measures of the Saar, the synangia are much like those of the recent Danaea, each sporangium opening by an apical pore.
This is a delicious evening, when the whole body is one sense, and imbibes delight through every pore.
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In order to maintain porosity, pore formers such as starch, carbon, or thermosetting resins are added.
Ideally, only pure minerals and non-organic pigments are used, so you shouldn't experience pore clogging in most cases.
Shiseido, however, has managed to do both with this product, minimizing pore size and any signs of rough or uneven skin.
Each pore is smaller than a droplet of water, but larger than a vapor moisture molecule.
The fine weave of the coverings makes it impossible for dust mites to penetrate, and it has one of the smallest pore sizes of any mattress casing on the market.