...Initially the frontoparietals are present as thin rods of ossification dorsomedialto the orbits; the frontoparietals extend from the anterior to theposterior end of the orbit by developmental stage 44... 
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...As ossification proceeds the nasalsassume a triangular shape in dorsal view...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...With further ossification the maxillary processesextend to the maxillaries and form complete bony anterior margins to theorbits; the mid-parts of the nasals widen (Pl...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...cyanosticta, phaeota, and baudini,is characterized by more ossification of the cranial elements...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...A faint pattern of pittingradiates on the surface from the center of ossification of the frontal...
Theodore H. Eaton 「A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas」
...Presumably this section of the roofis an ossification of the synotic tectum...
Theodore H. Eaton 「A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas」
...This group is characterized by having broad,flat skulls with larger nasals and more ossification of the frontoparietalsthan in the Hyla microcephala group...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
...The frogs of the Hyla microcephala group have a minimal amountof cranial ossification as compared to more generalized hylid skulls,such as Smilisca (Duellman and Trueb, 1966)...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
...Despite the great reduction in the ossification of the cranialelements, certain apparently consistent differences exist betweenthe species seem to be consistent...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
...Ventrally, the premaxillary is partially united to the prevomer by ossification...
Juan R. León 「The Systematics of the Frogs of the Hyla Rubra Group in Middle America」
...This ossification is evidentlythat shown in Notobatrachus as "coracoid...
Theodore H. Eaton 「The Ancestry of Modern Amphibia: A Review of the Evidence」
...Subsequent elimination of the interclavicle in theAnuran line of descent, and decrease of ossification, left a girdle likethat of Protobatrachus, Notobatrachus, Ascaphus and Leiopelma...
Theodore H. Eaton 「The Ancestry of Modern Amphibia: A Review of the Evidence」
...The skull isremarkably formed, its most striking feature being thetremendous thick ossification in which it ends above thenostrils...
Various 「Natural History in Anecdote」
...The ossification does not reach the point at which the threenuclei are joined until after birth...
Ernst Haeckel 「The Evolution of Man」
便利！手書き漢字入力検索