Phenoscape Knowledgebase (BETA): supraoccipital

entity term: supraoccipital

Properties

ID: TAO:0000595

Ontology: Teleost Anatomy

Synonyms: None

Definition: Endochondral bone that is located at the dorsal part of the occipital region of the cranium or the dorso-posterior part of the skull. It forms the dorsal margin of the foramen magnum. Commonly the supraoccipital articulates with the parietals anteriorly, the epiotics laterally, and the exoccipitals posteroventrally. The supraoccipital is an unpaired median bone.

Relationships (about)

is a type of: endochondral bone

develops from: tectum synoticum

overlaps: neurocranium

is part of: chondrocranium, occipital region

develops from: parietal-supraoccipital

may have part: spina occipitalis, supraoccipital crest

More information

View at NCBO Bioportal

Phenotypes: supraoccipital

This table lists phenotypes, categorized by type of quality, which inhere in supraoccipital, its subtypes, or parts.

Entity	Quality	Taxa
anterior region of supraoccipital	size : decreased width, increased width	34
posterior margin of supraoccipital crest	shape : cleft, tapered, truncated	33
posterior region of supraoccipital crest	shape : cleft, notched, round, sharp	16
process of dorsal region of supraoccipital crest	count : absent, present	33
process of supraoccipital	count : absent, present	73
spina occipitalis	count : absent, present	16
supraoccipital	count : absent, present	82
supraoccipital	relational spatial quality : medial to parietal bone, relational spatial quality towards anatomical surface of head, relational spatial quality towards occipital region, relational spatial quality towards otic region	120
supraoccipital	relational structural quality : relational structural quality towards frontal bone, relational structural quality towards middle nuchal plate, relational structural quality towards nuchal plate, relational structural quality towards process of lateral region of cranium, relational structural quality towards swim bladder	396
supraoccipital	structure	2
supraoccipital crest	relational structural quality : in contact with nuchal plate series, in contact with supraneural bone, relational structural quality towards scale, separated from supraneural bone	79
supraoccipital crest	structure	21
supraoccipital crest	relational spatial quality : dorsal to Weberian apparatus	37
supraoccipital crest	count : absent, present	207
supraoccipital crest	size : decreased length, decreased width, increased length, increased width	393
supraoccipital crest	shape : sharp, tapered	360
supratemporal sensory canal of supraoccipital	count : absent, present	84

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entity term: supraoccipital

Properties

Relationships (about)

More information

Phenotypes: supraoccipital