Anlage of the frontal bone
Am Zool — Google Scholar. Surfaces Superior surface: Sella turcica Dorsum sellae Tuberculum sellae Hypophysial fossa Posterior clinoid processes Ethmoidal spine Chiasmatic groove Middle clinoid process Petrosal process Clivus Lateral surface: Carotid groove Sphenoidal lingula Anterior surface: Sphenoidal sinuses. Verraes W, Ismail MH Developmental and functional aspects of the frontal bones in relation to some other bony and cartilaginous parts of the head roof in Haplochromis elegans Trewavas, Teleostei, Cichlidae. It is generally maintained that the development of the frontal sinuses begins at the end of the first or beginning of the second year, but may begin at birth. Acta Zool —8 Google Scholar. Sire JY From ganoid to elasmoid scales in the actinopterygian fishes. Our data are compared with those available for the post-cranial dermal skeleton of fishes both from a developmental and structural viewpoint.
The bones of the calvaria are joined by fontanelles in the neonate . anterior fontanelle, and is situated between the paired anlage of the frontal bone and the. The development of the frontal bone and the formation of the first head scales are The anlage appears at mm standard length (SL) in the form of the.
The Skull and the Gross Anatomy of the Central Nervous System SpringerLink
An unusually large melanotic neuroectodermal (retinal anlage) tumour of the frontal bone is described in a Nigerian child. It is the first instance of involvement of.
These are the squamous partand the orbital part. Views Read Edit View history. Structural differences in the matrices of the frontal bone and scales are discussed in a phylogenetic perspective.
Anatomical terms of bone [ edit on Wikidata ]. The anlage appears at 4.
The bone consists of two portions. These are the vertically oriented squamous part, and the horizontally oriented. The frontal bone (latin: os frontale) is an unpaired bowl-shaped bone located in the forehead region, which contributes in forming the cranium.
Structural differences in the matrices of the frontal bone and scales are discussed in a phylogenetic perspective.
Video: Anlage of the frontal bone Frontal Bone
Squamous part Articular tubercle Suprameatal triangle Mandibular fossa Petrotympanic fissure Zygomatic process. Biol Jb Dodonaea — Google Scholar.
J Morphol — Google Scholar. Categories : Wikipedia articles incorporating text from the 20th edition of Gray's Anatomy Bones of the head and neck.
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|The frontal bone is one of the principal paired mid-line bones in dinosaur skulls.
Sire JY The scales in young Polypterus senegalus are elasmoid: new phylogenetic implications. Anat Rec — Google Scholar.
Forma Functio — Google Scholar. This bone defines all of part of the upper margin of the orbit.