viscerocranium


viscerocranium
That part of the skull derived from the embryonic pharyngeal arches; it comprises the facial bones of the facial skeleton (under bone) and is distinct from that part of the skull which forms the neurocranium or braincase. SYN: facial skeleton, cranium viscerale, visceral cranium, jaw skeleton, splanchnocranium. [viscero- + cranium]
- cartilaginous v. those elements of the fetal skull derived from the pharyngeal arch cartilages.
- membranous v. components of v. that do not arise from a cartilagenous precursor; most of the mandible is a membrane bone, developing around and not from the first pharyngeal arch cartilage.

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vis·cero·cra·ni·um .vis-ə-rō-'krā-nē-əm n SPLANCHNOCRANIUM

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vis·cero·cra·ni·um (vis″ər-o-kraґne-əm) [viscero- + cranium] [TA] the parts of the cranium that are derived from the branchial (or pharyngeal) arches and comprise the bones of the face; cf. neurocranium. Called also splanchnocranium and visceral cranium.

Viscerocranium, comprising the membranous viscerocranium (gray) and cartilaginous viscerocranium (red).


Medical dictionary. 2011.

Look at other dictionaries:

  • Viscerocranium — ⇒ Schädel …   Deutsch wörterbuch der biologie

  • Viscerocranium — Kretominoischer Schädel Primatenschädel im Vergleich Als Schädel (lateinisch cranium von griechisch κρανίον …   Deutsch Wikipedia

  • Viscerocranium — kiaušas statusas T sritis gyvūnų raida, augimas, ontogenezė, embriologija atitikmenys: lot. Viscerocranium ryšiai: platesnis terminas – kaukolė siauresnis terminas – ryklinis lankas sinonimas – visceralinė kaukolė …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • Viscerocranium — kiaušas statusas T sritis embriologija atitikmenys: lot. Viscerocranium ryšiai: platesnis terminas – ašiniai griaučiai siauresnis terminas – antrasis ryklinis lankas siauresnis terminas – ketvirtasis ir penktasis lankai siauresnis terminas –… …   Medicininės histologijos ir embriologijos vardynas

  • viscerocranium — see visceral skeleton …   Dictionary of ichthyology

  • viscerocranium — vis·cero·cranium …   English syllables

  • viscerocranium — |visə(ˌ)rō+ noun Etymology: New Latin, from viscer + cranium : splanchnocranium …   Useful english dictionary

  • cartilaginous viscerocranium — the part of the viscerocranium formed by endochondral ossification of the pharyngeal (branchial) arch cartilages. It includes the malleus, incus, stapes, styloid process of temporal bone, hyoid bone, and laryngeal cartilages other than the… …   Medical dictionary

  • membranous viscerocranium — the part of the viscerocranium formed by intramembranous ossification in the first pharyngeal (branchial) arch. It includes the maxilla, mandible, nasal bone, and zygomatic arch …   Medical dictionary

  • visceral cranium — viscerocranium …   Medical dictionary


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