(n.) The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc.,as well as the armor of armadillos and many reptiles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton.
Example Sentences:
(1) King crabs (Family Lithodidae) are among the world's largest arthropods, having a crab-like morphology and a strongly calcified exoskeleton.
(2) "It confirms our prediction that we are going to elicit a sensation that the exoskeleton is an extension of their body," Nicolelis said.
(3) These principles may look tricksy or artificial when described rather than experienced but are not, says Catton, an "exoskeleton" – rather they are entirely bound up with the ideas of the book.
(4) In view of the small molecular size and high lipid solubility of methyl mercury and the lipophilic properties of the chitin-protein exoskeleton of the lobster, it is likely that significant uptake directly from the water as well as storage of absorbed methyl mercury occurred in the tail region.
(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) The exoskeleton is fitted with multiple gyros to stop it falling over during the balancing act of bipedal walking.
(7) Replicas of porous hydroxyapatite that had been obtained after hydrothermal conversion of the calcium carbonate exoskeleton of coral (genus Goniopora) were implanted intramuscularly in twenty-four adult male baboons (Papio ursinus).
(8) Wild P. monodon exoskeleton contained on average 26.3 ppm total carotenoid; normally pigmented farmed shrimp had a similar concentration (25.3 ppm).
(9) Trace metals associated with insects can be both bound on the surface of their chitinous exoskeleton and incorporated into body tissues.
(10) Yet Ekso is notable not only for its technology and the price tag (£100,000 for the exoskeleton which it hopes to lower to £50,000 within the next two years), but its ambitious plans.
(11) The robotics work was coordinated by Gordon Cheng at the Technical University in Munich, and French researchers built the exoskeleton.
(12) Spores of T. cylindrosporum are able to adhere to the exoskeleton and penetrate it.
(13) Solubilization of the exoskeleton occurs around an area of the elaborately infolded surface membrane at the anterior of the organism.
(14) If the sight of Robert Downey Jr summoning his Iron Man accessories from across a room gave you a taste for having your own powered exoskeleton, your wish may soon be granted.
(15) Soldiers wearing bionic exoskeletons leap over trucks, firing bizarre “directed energy” weapons that send out fatal force waves.
(16) In an age when Tony Stark's exoskeleton tops the box-office charts in Avengers Assemble, and Pistorius competes in both the Olympics and Paralympics, Ekso thinks there's a demand for robotic suits that not only aid disabled people, but enhance the abilities of everyone.
(17) Two bursts of exoskeleton hardening and growth of the poison gland apparatus corresponds with a transitional period in the behavioral development of workers and finally with their development into nest defenders and foragers.
(18) We realized however, that these studies may not have fully appreciated the structure of the insect exoskeleton.
(19) But this is just one of the stories emerging: see also 3Ders' piece on a four-year old called Hannah , with a condition called arthrogryposis that limits her ability to lift her arms unaided, but who now has a Wilmington Robotic Exoskeleton (WREX for short) to help, made using 3D printing.
(20) Campaniform sensilla are proprioceptive mechanoreceptors associated with the exoskeleton.
Tentorium
Definition:
(n.) A fold of the dura mater which separates the cerebellum from the cerebrum and often incloses a process or plate of the skull called the bony tentorium.
Example Sentences:
(1) The region of the tentorium and straight sinus can occasionally give rise to a vermiform appearance (the "AVM artifact").
(2) In children with tumors above the tentorium, only a reduction in the use of cerebral angiography and radioisotopic scanning was demonstrated.
(3) A zone of the tentorium cerebelli that is relatively poor in vessels and nerves and comparatively favourable for incision is established.
(4) A cavernous angioma of the tentorium cerebelli, first disclosed by perinatal serial ultrasonographic studies, was extirpated totally without remarkable neurological deficit in a neonate.
(5) The procedure involves section of the less dominent transverse sinus and the tentorium.
(6) This technique has also led to a better delimitation and sometimes a direct observation and spatial localization of some anatomical structures above and below the tentorium.
(7) A case of abnormal uptake of gallium in the tentorium cerebelli secondary to rheumatoid pachymeningitis is presented.
(8) Among them, 97 (23.4%) patients showed the appearance of TSAH in the Sylvian fissures, tentorium cerebelli, cortical sulci, basal cisterns and interhemispheric fissures.
(9) In those cases without spina bifida, ventricular enlargement should occur early and be greatest in the forebrain, driving the tentorium and posterior fossa structures downward.
(10) The technique is also widely applicable for closing (or suturing) the dura following any procedure through a small opening, such as the dural tears occasionally encountered during lumbar or cervical discectomy, or tacking the tentorium during a craniotomy.
(11) The tentorial sinuses were classified into four groups: Group I, in which the sinus received venous blood from the cerebral hemisphere; Group II, in which the sinus drains the cerebellum; Groups III, in which the sinus originates in the tentorium itself; and Group IV, in which the sinus originates from a vein bridging to the tentorial free edge.
(12) In the preliminary study, a dry human skull with an artificial "tentorium" made of thick paper was prepared to decide the fundamental plane for volume measurement by CT scan.
(13) The configuration of Model III is the same as Model II but more detailed anatomical features of the head interior were added, such as, cerebral spinal fluid (CSF); falx cerebri, dura, and tentorium.
(14) These two disseminated tumors had attachments to the inferior surface of the cerebellar tentorium and the dura mater of the parietal convexity, respectively, and they were fed by external carotid artery branches, like meningiomas.
(15) Incision of the tentorium prior to removal of a tumor when it invades the incisural hiatus may have merit.
(16) Three patients with diffuse idiopathic cranial pachymeningitis with predominant involvement of the tentorium and falx are reported.
(17) Even more so are multicentric gliomas lying both above and below the tentorium (16 cases to date, as far we know).
(18) IIIA seems to be generated from the medial lemniscus at the level of osseous cerebellar tentorium.
(19) After this test became available there was a significant (P less than .05) reduction in the utilization of cerebral angiography, echoencephalography, electroencephalography, and ventriculography in children with tumors below the tentorium.
(20) A roentgenological investigation of 38 patients with meningiomas of the tentorium cerebelli of the supra-subtentorial growth revealed signs of hypertension in 31 of them.