What's the difference between fin and pinna?

Fin


Definition:

  • (v. t.) To carve or cut up, as a chub.
  • (n.) End; conclusion; object.
  • (n.) An organ of a fish, consisting of a membrane supported by rays, or little bony or cartilaginous ossicles, and serving to balance and propel it in the water.
  • (n.) A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks.
  • (n.) A finlike organ or attachment; a part of an object or product which protrudes like a fin
  • (n.) The hand.
  • (n.) A blade of whalebone.
  • (n.) A mark or ridge left on a casting at the junction of the parts of a mold.
  • (n.) The thin sheet of metal squeezed out between the collars of the rolls in the process of rolling.
  • (n.) A feather; a spline.
  • (n.) A finlike appendage, as to submarine boats.

Example Sentences:

  • (1) The participation of neural crest cells in development of the dermal skeleton is discussed by way of the repartition of the odontods within the pectoral fin.
  • (2) Since there is a body of literature indicating that preexposure to low levels of metals may increase tolerance during subsequent exposure, these experiments were designed to investigate the effects of preexposure to cadmium, using fin regeneration as the parameter of effect.
  • (3) Next year they will target 50 fin whales, 50 endangered humpbacks, and another 925 minkes.
  • (4) Electron microscopy discloses axons in the mesodermal mesenchyme and in the epidermis of the bud as early as stage I of the development of the pelvic fins.
  • (5) The fins are formed by a longitudinal tegument fold containing the same components as the remaining part of the tail tegument.
  • (6) The dorsal fin mesenchyme expresses vimentin at stage 26.
  • (7) In this situation one could fins concentrated not only the various stands of protolife necessary for the final act of biopoesis, but also perbiologically formed nutrients necessary as for the first eobionts.
  • (8) These data and independent scanning electron microscopy indicated that a resident population of predominantly Blastobacter bacteria was present as a biofilm on the supply-side cooling coil fins.
  • (9) The development of the vasculature of the pectoral fin in the Australian lungfish, Neoceratodus forsteri, was studied by the dye-injection method.
  • (10) Behavioral arousal evoked by lightly touching the fish on the snout or over the eye resembled spontaneous arousal observed in the field and consisted of eye withdrawal, fin erection, and attempted swimming.
  • (11) This communication briefly reviews knowledge of the systemic disease caused by Crassicauda boopis in blue whales (Balaenoptera musculus), fin whales (B. physalus) and humpback whales (Megaptera novaeangliae).
  • (12) This year the whalers plan to kill more than 900 minke whales and about 50 fin whales, reports said.
  • (13) The fish of these groups completed translocation of the right eye to the left side and resorption of elongated dorsal fin rays.
  • (14) Glycosaminoglycans (GAG) are found primarily in the dorsal fin and in the ECM surrounding the notochord.
  • (15) By noon, the small fish market on shore is packed with black crows nibbling on hundreds of butchered fish heads, shark fins and long red swordfish tongues.
  • (16) Fixation included tines or fins (160), screw (40), flange (12), and other (16).
  • (17) In light of previous descriptions of Crassicauda infections in balaenopterids, this implied that C. boopis should at present be considered a renal parasite of fin whales, and perhaps other rorquals, throughout the world's oceans.
  • (18) The US-based group said it encountered an illegal shark finning operation run by a Costa Rican ship, the Varadero, and told the crew to stop and head to port to be prosecuted.
  • (19) We have used 14 restriction endonucleases to investigate the restriction fragment length polymorphism (RFLP) of fin whales, 13 enzymes for sei whales, and 8 enzymes for the minke whale.
  • (20) The researchers estimated that global reported catches, unreported landings, discards and sharks caught and thrown back after their fins were cut off – a process known as finning – added up to 97 million fish caught in 2010.

Pinna


Definition:

  • (n.) A leaflet of a pinnate leaf. See Illust. of Bipinnate leaf, under Bipinnate.
  • (n.) One of the primary divisions of a decompound leaf.
  • (n.) One of the divisions of a pinnate part or organ.
  • (n.) Any species of Pinna, a genus of large bivalve mollusks found in all warm seas. The byssus consists of a large number of long, silky fibers, which have been used in manufacturing woven fabrics, as a curiosity.
  • (n.) The auricle of the ear. See Ear.

Example Sentences:

  • (1) It is felt that otologic surgery should be done before the pinna reconstruction as it is very important to try and introduce sound into these children at an early age.
  • (2) In any rat receiving either level of T-2588, pinna reflex impairment was not detected at any frequencies.
  • (3) The chamber is fixed in the tissues of the rabbit pinna by means of a lavsan net.
  • (4) This paper describes the external ear anomalies found in this syndrome: short wide pinnae, often cupped and asymmetrical; distinctive triangular concha; discontinuity between the antihelix and antitragus; and 'snipped-off' portions of the helical folds.
  • (5) CAM inhibited the pinna reflex more strongly than did morphine and selectively antagonized quipazine-induced head twitches; its inhibition of head twitches induced by 5-hydroxytryptophan or LSD seemed unspecific.
  • (6) Concanavalin A and, to a lesser degree, other immunomodulators applied, when administered subcutaneously into the pinna, also have induced perichondrial chondrogenesis.
  • (7) A case of tinea of the pinna, mistaken for chondritis, is presented.
  • (8) It has been found previously under the light microscope that there was a circadian variation in mast cell number in the pinna of mice.
  • (9) 172, 451-457] and recently identified as the product of the lyn oncogene [Brunati, A. M., Donella-Deana, A., Ralph, S., Marchiori, F., Borin, G., Fischer, S. & Pinna, L. A.
  • (10) Since the hemisection of the spinal cord at T6 suppresses this reflex in the pinna of the same side, it must be concluded that the spinal pathway is ipsilateral.
  • (11) The variation in auditory space representation in the IC due to variation in pinna position is presented.
  • (12) A case of severe Pseudomonas perichondritis following a 'fashionable' ear-piercing procedure, performed high on the pinna, is reported.
  • (13) Tetradecane (TD), testosterone (TS), and dimethyl sulfoxide (DMSO) were separately inuncted on rabbit pinnas once a day; the pinnas were biopsied on days 1, 3, 7, and 28.
  • (14) The directional properties of the external ear are based on sound diffraction by the pinna mouth, which, to a first approximation, is equivalent to an elliptical opening due to the elongated shape of the pinna.
  • (15) Although BRL 39123 failed to eradicate the virus from mice latently infected with HSV-1, treatment initiated 5 h after infection of the ear pinna reduced the numbers of mice that developed latent infections.
  • (16) This may be a more correct value since the PLM method overestimates the median S-phase length as it is known that in pinna skin the [3H]TdR is available to the tissues for 2 hr and true flash labelling does not take place.
  • (17) Attempts to create a pinna by moulding cartilage fragments have been reported previously by Peer.
  • (18) Thermal characteristics of the pinnae of the ears of New Zealand White rabbits (Oryctolagus cuniculus) were measured with an infrared imaging system, and vasomotor oscillations were observed to occur spontaneously in the pinnae of all rabbits at an ambient temperature of 20 degrees C. Measured fluctuations in surface temperature were used to characterize the observed vasomotor oscillations, whereas heat loss from the pinnae was calculated using the mean pinna temperatures.
  • (19) We refined the method by which neonatal mouse hearts are transplanted into pouches in the pinnae of ears of adult recipient mice and used cyclosporine treatment as an example of how this method might be generally applied to study the dose-response relationship of immunosuppressive drugs.
  • (20) Auricular perichondritis developed in a patient following acupuncture to the pinna.

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