Definitions
from The Century Dictionary.
- noun In ichthyology, the lower median bone in the hyoid arch. Also called
urohyal . - In zoology, of or pertaining to the episternum; anterior, as a pleural sclerite.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Anat. & Zoöl.) Of or pertaining to the episternum.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Of or pertaining to the
episternum .
Etymologies
Sorry, no etymologies found.
Examples
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Later, from the facts that the thrill was imperceptible in the episternal notch, and that the main part of the tumour was situated in the posterior triangle, that the wound was of the root of the right subclavian vessels.
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Thirty six hours later there was very free hæmorrhage into the right posterior triangle, emphysema at the episternal notch, dysphagia, and complete obliteration of the cardiac area of dulness.
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_Entry_, just to the left of the episternal notch; _exit_, in the fifth left interspace posteriorly, midway between the spine and vertebral margin of the scapula.
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The episternal or interclavicular region is a locality traversed by so many vitally important structures gathered together in a very limited space, that all operations which concern this region require more steady caution and anatomical knowledge than most surgeons are bold enough to test their possession of.
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Thus, speaking of the episternal in fish which forms the central piece of its sternum, he says, "it is a bone that is rudimentary in birds (one might almost add a bone that is held in reserve in birds for this fate) which is destined to form in the centre the principal keel of this new machine" (p. 84).
Form and Function A Contribution to the History of Animal Morphology
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Africa, but the first portion of the carotid might have been ligatured in the episternal notch, or by aid of removal of a part of the sternum, and a second ligature placed above the sac.
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During the first week dysphagia and some pain and soreness in the episternal notch, with pain and difficulty of respiration, were noticed.
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He decides that it must represent the episternals, for in some young birds there is a two-headed episternal to which two strong tendons are attached, just in the same way as the unpaired piece in fish is bound to the bones of the hyoid by two tendons.
Form and Function A Contribution to the History of Animal Morphology
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In rare cases the rhomboid ligament is torn, and the end of the clavicle passes _upwards_, and rests in the episternal notch behind the sterno-mastoid muscle.
Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.
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It is only expiration that is interfered with, as with each inspiratory effort the gland is sucked in towards the mediastinum and so frees the air-passages, while with expiration it rises again, and, becoming jammed in the upper opening of the thorax, exerts pressure on the trachea, and during expiration a soft swelling is sometimes recognisable in the episternal notch.
Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.
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