Agnath vs Agnathia - What's the difference?
agnath | agnathia | Related terms |
(zoology) An agnathan.
* 1979 , Stephen C. Wood, Evolution of Respiratory Processes , Marcel Dekker, ISBN 0-8247-6793-4, page 218:
* 1996 , George Christopher Williams, Adaptation and Natural Selection , Princeton University Press, ISBN 0-691-02615-7, page 51:
* 2002 , Harold J. Morowitz, The Emergence of Everything , Oxford University Press, ISBN 0-19-513513-X, page 113:
(pathology) A birth defect in which the mandible is missing.
* 1831 , William West, translation of , A Treatise on Pathological Anatomy , Hodges and Smith, volume 2,
* 1907 , and T. Mitchell Prudden, A Text-Book of Pathology , eighth edition, William Wood,
* 2006 , Mark I. Evans et al., Prenatal Diagnosis , McGraw-Hill, ISBN 0-8385-7682-6, page 240:
Agnathia is a related term of agnath.
As nouns the difference between agnath and agnathia
is that agnath is an agnathan while agnathia is a birth defect in which the mandible is missing.agnath
English
Noun
(en noun)- Evolution of vertebrates was accompanied by a gradual increase in oxygen availability, from the irrespirable atmosphere of the Precambrian to a PO? at 7 mmHg with the first vertebrates (agnaths ), to the present sea level PO? value of 160 mmHg with the first reptiles.
- The gnathostomes almost entirely replaced the agnaths , presumably because they were more effective fishes.
- Thus, although tunicates are presumably intermediate between flatworms and agnaths', the larval tunicate more closely resembles the flatworm and adult ' agnath .
agnathia
English
Noun
(-)page 283:
- When there is agnathia , instead of the inferior maxillary bone we find nothing but a kind of tubercle formed of skin, cellular tissue, fat, and some few muscular fibres.
page 304
- The lower jaw may be absent (agnathia ).
- As such, it is often accompanied by agnathia , a congenital absence of the mandible[…].