agnathous
English
editEtymology
editAncient Greek ἀ- (a-, “without”) + γνάθος (gnáthos, “jaw”) + -ous. From a- + -gnathous.
Pronunciation
editAdjective
editagnathous (not comparable)
- Jawless.
- 1876, William G. Binney, “On the Lingual Dentition, Jaw, and Genitalia of Carelia, Onchidella, and Other Pulmonata”, in 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”, in 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”, in 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.
- (pathology) Afflicted by or characteristic of agnathia.
- 1886, “Exhibition of Specimens: Meeting V”, Transactions of the Edinburgh Obstetrical Society[1], volume 11, page 79:
- Dr Underhill exhibited an agnathous and hydrocephalic fœtus. This was an instance of the rare abnormality due to defect of the lower jaw.
- 1893, “Proceedings of the Anatomical Society of Great Britain and Ireland: November 1892”, Journal of Anatomy and Physiology[2], volume 27, page xvii:
- Upon this view an agnathous fœtus may be regarded as sometimes due to a posterior dichotomy, which has ultimately become a complete separation, and in which the two fœtuses have developed equally during a considerable part of intra-uterine life.
- 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
editRelated terms
editTranslations
editjawless — see jawless
characteristic of agnathia
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References
edit- agnathous in Oxford English Dictionary, volume I, 1888
Categories:
- English terms derived from Ancient Greek
- English terms suffixed with -ous
- English terms prefixed with a-
- English terms suffixed with -gnathous
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- English lemmas
- English adjectives
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- en:Pathology
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