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agnathic

English

Etymology

From Ancient Greek ?- (a-, “without”) + ?????? (gnáthos, “jaw”) +? -ic.

Pronunciation

  • (US) IPA(key): /æ??næ??k/

Adjective

agnathic (not comparable)

  1. Jawless.
    • 1980, Thomas Pozorski, “The Early Horizon Site of Huaca de los Reyes: Societal Implications”, American Antiquity, volume 45, page 104:
      […] the heads are inverted and agnathic (lacking a lower jaw) […]
    • 2004, V. B. Rastogi, Modern Biology, seventh edition, Pitambar, ?ISBN, page II-61:
      Mouth is without jaws (agnathic) in lampreys and hagfishes and bounded by jaws (gnathic) in all other vertebrates.
    • 2004, David H. Dye, “Art, Ritual, and Chiefly Warfare in the Mississippian World”, Hero, Hawk, and Open Hand, Art Institute of Chicago, ?ISBN, page 201:
      Mortal combat and decapitation are suggested by the eight skillfully and gracefully engraved heads depicted here with their serrated necks, the prominent arrowheads, and the agnathic or jawless head regalia.
  2. (pathology) Afflicted by or characteristic of agnathia.
    • 1902, Bertram C. A. Windle, “Twelfth Report on Recent Teratological Literature”, Journal of Anatomy and Physiology, volume 36, page 303:
      […]an imperforate pharynx which existed in an agnathic lamb.
    • 1913, John H. Musser, A Practical Treatise on Medical Diagnosis for Students and Physicians, sixth edition, Lea & Febiger, page 87:
      In the mouth: various irregularities, such as wide separation of the teeth; abnormal development of the canines; the prognathic or agnathic jaw; high arching of the palate; cleft palate—all are found more frequently among persons otherwise degenerate than in normal individuals.
    • 2006, Karen Gripp and Luis Fernando Escobar, “Facial Bones”, Human Malformations and Related Anomalies, second edition, Oxford University Press, ?ISBN, page 287:
      Most pregnancies with agnathic fetuses are associated with polyhydramnios, which probably result from fetal inability to swallow because of persistence of the oropharyngeal membrane.

Synonyms

  • (jawless): agnathous, jawless
  • (afflicted by agnathia): agnathous

Related terms

  • agnath
  • agnatha
  • agnathan
  • agnathia

Translations

Anagrams

  • Ch'ang-t'ai, Changtai

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agnathous

English

Etymology

Ancient Greek ?- (a-, “without”) + ?????? (gnáthos, “jaw”) +? -ous.From a- +? -gnathous

Pronunciation

  • enPR: ?g?n?.th?s, IPA(key): /?æ?.n?.??s/

Adjective

agnathous (not comparable)

  1. Jawless.
    • 1876, William G. Binney, “On the Lingual Dentition, Jaw, and Genitalia of Carelia, Onchidella, and Other Pulmonata”, Proceedings of the Academy of Natural Sciences of Philadelphia, page 185:
      The Onchidiidæ are described as agnathous, but I am confident of having observed the jaw figured.
    • 1900, Ramsay Heatley Traquair, “Notes on Drepanaspis Gmündenensis, Schlüter”, Geological Magazine, page 158:
      The mouth is a transverse slit, which shows no teeth, nor any jaws properly so called, and therefore affords an apparent support to the agnathous theory of the Ostracodermi.
    • 1997, Gene S. Helfman, The Diversity of Fishes, Blackwell Science, ?ISBN, page 152:
      This and related agnathous (jawless), finless forms inhabited shallow seas or estuarine habitats[…].
    • 2007, James Brown, “Sequencing the Braden Style within Mississippian Period Art and Iconography”, Ancient Objects and Sacred Realms, University of Texas Press, ?ISBN, page 235:
      Parenthetically, this line treatment suggests an attempt to mimic the agnathous (jawless) head, if we suppose that the jaw area was colored suitably dark in contrast to the face proper.
  2. (pathology) Afflicted by or characteristic of agnathia.
    • 1964, M. W. Fox, “Anatomy of the Canine Skull in Low-grade Otocephaly”, Canadian Journal of Comparative Medicine and Veterinary Science, volume 28, pages 105–106:
      In all the neonates examined from the partially agnathous strain, there was no obvious agenesia of the lower mandible.

Synonyms

  • (jawless): agnathic, jawless
  • (afflicted by agnathia): agnathic

Related terms

  • agnath
  • agnatha
  • agnathan

Translations

References

  • agnathous in Oxford English Dictionary, volume I, 1888

agnathous From the web:

  • what does agnathous mean
  • what is an agnathous animal
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