adnasal bone
a small dermal bone in front of the nasal bone in some fishes, e.g. the middle bone of three in the nasal region of Lepisosteus. Also called nasal bone

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • nasal bone — a paired dermal bone occurring between the premaxilla and the prefrontal, antorbital or lachrymal on either side of the snout and usually enclosing the nares. Lepisosteus has three nasals, prenasal or rostral, adnasal or nasal and premaxillo… …   Dictionary of ichthyology

  • superciliary — 1) above the eye, eyebrow 2) adnasal bone (a small dermal bone in front of the nasal bone in some fishes, e.g. the middle bone of three in the nasal region of Lepisosteus) …   Dictionary of ichthyology

  • os adnasale — (plural ossa adnasalia)) adnasal (a small dermal bone in front of the nasal bone in some fishes, e.g. the middle bone of three in the nasal region of Lepisosteus) …   Dictionary of ichthyology

  • os nasale — (plural ossa nasalia)) nasal bone (a paired dermal bone occurring between the premaxilla and the prefrontal, antorbital or lachrymal on either side of the snout and usually enclosing the nares. Lepisosteus has three nasals, prenasal or rostral,… …   Dictionary of ichthyology

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”