For full functionality of this site it is necessary to enable JavaScript. Here are the instructions how to enable JavaScript in your web browser.

Save the date for the 2025 FaceBase Forum on June 3 & 4 in Marina del Rey, CA!

Home / Resources / Zebrafish / Fishface / Arch / FishFace

FishFace

Home

The Atlas

• About the Atlas
• How to navigate the Atlas pages

Skull Anatomy

• OPT Data
• 3D Viewer

Arch 1 & 2 Development

• Pharyngeal development: Pre-skeletal
• Pharyngeal development: Skeletal

Element Development

• The palatoquadrate: associated bones and articulations
• Meckel’s cartilage: associated bones and articulations
• The hyosymplectic: associated bones and articulations
• The ceratohyal: associated bones and articulations
• The opercle: associated bones and articulations

2 dpf Development

[ Back to Meckel’s cartilage: associated bones and articulations]

Info	Image Please hold mouse over images to see annotations.
2 dpf zc81Tg Alizarin red	Ventral Lateral Movie(s): 2 dpf Meckel's ventral movie
Description	By 55hpf, Meckel’s cartilage (Mk) and the palatoquadrate (pq), derived from the first pharyngeal arch, are becoming distinct elements, with a nascent joint (j) region apparent that is GFP-negative. Alcian blue staining of matrix is observed in these developing cartilages at this timepoint (data not shown). The retroarticular process (rap) of Meckel’s cartilage projects ventroposteriorly and the pterygoid process (ptp) of the palatoquadrate projects dorsoanteriorly. GFP-positive cells are sparse in the medial mandibular symphysis (sym).