What's the difference between arm and tentacle?

Arm


Definition:

  • (n.) The limb of the human body which extends from the shoulder to the hand; also, the corresponding limb of a monkey.
  • (n.) Anything resembling an arm
  • (n.) The fore limb of an animal, as of a bear.
  • (n.) A limb, or locomotive or prehensile organ, of an invertebrate animal.
  • (n.) A branch of a tree.
  • (n.) A slender part of an instrument or machine, projecting from a trunk, axis, or fulcrum; as, the arm of a steelyard.
  • (n.) The end of a yard; also, the part of an anchor which ends in the fluke.
  • (n.) An inlet of water from the sea.
  • (n.) A support for the elbow, at the side of a chair, the end of a sofa, etc.
  • (n.) Fig.: Power; might; strength; support; as, the secular arm; the arm of the law.
  • (n.) A branch of the military service; as, the cavalry arm was made efficient.
  • (n.) A weapon of offense or defense; an instrument of warfare; -- commonly in the pl.
  • (v. t.) To take by the arm; to take up in one's arms.
  • (v. t.) To furnish with arms or limbs.
  • (v. t.) To furnish or equip with weapons of offense or defense; as, to arm soldiers; to arm the country.
  • (v. t.) To cover or furnish with a plate, or with whatever will add strength, force, security, or efficiency; as, to arm the hit of a sword; to arm a hook in angling.
  • (v. t.) Fig.: To furnish with means of defense; to prepare for resistance; to fortify, in a moral sense.
  • (v. i.) To provide one's self with arms, weapons, or means of attack or resistance; to take arms.

Example Sentences:

  • (1) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
  • (2) The adaptive filter processor was tested for retrospective identification of artifacts in 20 male volunteers who performed the following specific movements between epochs of quiet, supine breathing: raising arms and legs (slowly, quickly, once, and several times), sitting up, breathing deeply and rapidly, and rolling from a supine to a lateral decubitus position.
  • (3) The Pan American Health Organization, the Americas arm of the World Health Organization, estimated the deaths from Tuesday's magnitude 7 quake at between 50,000 and 100,000, but said that was a "huge guess".
  • (4) Hence the major role of the 14-A arm of carboxybiotin is not to permit a large carboxyl migration but, rather to permit carboxybiotin to traverse the gap which occurs at the interface of three subunits and to insinuate itself between the CoA and keto acid sites.
  • (5) Psychiatric morbidity is further increased when adjuvant chemotherapy is used and when treatment results in persistent arm pain and swelling.
  • (6) A tall young Border Police officer stopped me, his rifle cradled in his arms.
  • (7) But the median survival time was 30.7 months in Arm A and 24.5 months in Arm B, and significantly longer in Arm A until 10 months.
  • (8) Learning ability was assessed using a radial arm maze task, in which the rats had to visit each of eight arms for a food reward.
  • (9) They are the E-1 to E-3 pay grades and soldiers in combat arms units.
  • (10) His arm was being held by Muntari who let go of it as he entered the penalty area.
  • (11) Her arm is outstretched in a strong, certain Nazi salute.
  • (12) Reciprocal translocations involving the short arm of acrocentric chromosomes can segregate to produce partial duplications without associated deletions.
  • (13) Journalists should never be a propaganda arm of any government – not in peace and never in war.
  • (14) The Guardian neglects to mention 150,000 privately owned guns or that Palestinians are banned from bearing arms.
  • (15) "It's a dangerous sign to send and it limits our ability to find a diplomatic solution to nuclear arms in Iran," he said.
  • (16) Welcomed with open arms a month ago, Syrians are now attacked on popular television talkshows where they are described as Morsi sympathisers.
  • (17) The increase in the mean resting ankle-arm index 1 year after conventional angioplasty (0.26) was greater than that after laser angioplasty (0.12).
  • (18) Of those, 39 were civilians, 34 armed opposition fighters and 35 members of the state security forces, said the UK-based group.
  • (19) Even regional allies disagree with American priorities about Isis, Biddle noted, which is why Turkey continues to bomb Kurds and Saudi Arabia and the UAE arm groups around the region , most notably in Syria but also in the ruins of Yemen .
  • (20) The night's special award went to armed forces broadcaster, BFBS Radio, while long-standing BBC radio DJ Trevor Nelson received the top prize of the night, the gold award.

Tentacle


Definition:

  • (n.) A more or less elongated process or organ, simple or branched, proceeding from the head or cephalic region of invertebrate animals, being either an organ of sense, prehension, or motion.

Example Sentences:

  • (1) Using serial-sectioning techniques for conventional transmission and high-voltage electron microscopy, we characterized the ultrastructural features and synaptic contacts of the sensory cell in tentacles of Hydra.
  • (2) Microtubules at the tip of a resting (non-feeding) tentacle are arranged helically in two concentric tube-shaped arrays.
  • (3) The sensory cells of the mantle tentacles are found to be ciliated, primary receptors with subepithelial nuclei.
  • (4) In studies involving nearly intact animal preparations, neurons were identified which control specific movements of the dorsal cerata, the oral veil tentacles, and the margins of the foot.
  • (5) Freed of the need to wave their tentacles around to hunt for food, the coral can devote more energy to secreting the mineral calcium carbonate, from which they form a stony exoskeleton.
  • (6) She said the tentacles, or oral arms, were about a metre long and covered in microscopic mouths.
  • (7) Each tentacle is reinforced by eight pairs of fibrils arranged concentrically just within its wall, and contains a single missile-like body (MLB).
  • (8) We decided to test Chrysaora hysoscella dermotoxicity on healthy volunteers by cutting a Chrysaora hysoscella tentacle and placing it on a gauze soaked in a solution of 3% NaCl and applying then to the volar side of the right wrist for one minute.
  • (9) The prime minister said waves of immigration had helped Australia flourish, “yet the tentacles of the death cult have extended even here as we discovered to our cost during the Martin Place siege last December”.
  • (10) The tentacles of the terrestrial snail Achatina fulica contain an epithelium at their tips which is specialized for olfaction.
  • (11) Contact with the tentacles of the jellyfish had produced characteristic whiplash-like weals on the skin.
  • (12) The tentacles in hydra have characteristics of both spacing patterns and number-regulating patterns in that their number under some circumstances changes with the size of the animal and under others does not.
  • (13) The chemoreceptors of the optic tentacle bulb, small and large neurons of tentacle ganglion and bipolar cells of olfactory nerve send their processes to the CNS of the mollusc.
  • (14) Through dexterous operation of the Shinkai6500's mechanical arms by pilot Sasaki-san, we quickly began collecting samples of rocks, the hot fluids from the vents, and the creatures thriving around them: speckled anemones with almost-translucent tentacles, and the orange-tinted shrimp scurrying among them.
  • (15) The role of micro-filaments and halothane-resistant dynein-like inter-row bridges in tentacle movement is discussed.
  • (16) Here lies our greatest risk, one insufficiently appreciated by those who so blithely accept the tentacles of corporation, press and state insinuating their way into the private sphere.
  • (17) Similarly, following decapitation as a new head regenerates, CP8 label appears covering a domed area at the apical end of the regenerate before tentacles evaginate delineating the head.
  • (18) Particularly, the proteinic fractions 7 and 8 are more concentrated in the extract of juveniles snails tentacles than in the extract of adults snails.
  • (19) Ninety-seven per cent of all nematocytes, including all 4 types, are mounted in the battery cells of the tentacles.
  • (20) The tentacles become attached to the cilia of the host, and serve for feeding upon the plasmatic contents of the cilia as well as for maintaining contact with the host.

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