os postcleithrum — (plural ossa postcleithra)) postcleithrum (a dermal bone of the pectoral girdle posteroventral to the cleithrum which supports it dorsally. There may be one to several postcleithra (absent in some species). Also called metacleithrum and… … Dictionary of ichthyology
postclavicle — postcleithrum … Dictionary of ichthyology
cingulum pectorale — (plural cingula pectoralia)) pectoral girdle (the bony support of the pectoral fin behind the gills and usually attached to the posterior part of the skull; the shoulder girdle. Composed of the following basic elements (some of which may be lost) … Dictionary of ichthyology
humeral 'scale' — a large, usually dark, scale like projection of the postcleithrum above the base of the pectoral fin and just behind the opercle, e.g. in Etheostomatinae (Percidae) … Dictionary of ichthyology
metacleithrum — (plural metacleithra)) postcleithrum (plural postcleithra)(a dermal bone of the pectoral girdle posteroventral to the cleithrum which supports it dorsally. There may be one to several postcleithra (absent in some species). Also called… … Dictionary of ichthyology
ossa postcleithra — plural of os postcleithrum … Dictionary of ichthyology
pectoral girdle — the bony support of the pectoral fin behind the gills and usually attached to the posterior part of the skull; the shoulder girdle. Composed of the following basic elements (some of which may be lost): coracoid, scapula, pterygials, postcleithrum … Dictionary of ichthyology
postcleithra — plural of postcleithrum … Dictionary of ichthyology
scapular girdle — pectoral girdle (the bony support of the pectoral fin behind the gills and usually attached to the posterior part of the skull; the shoulder girdle. Composed of the following basic elements (some of which may be lost): coracoid, scapula,… … Dictionary of ichthyology
shoulder girdle — pectoral girdle (the bony support of the pectoral fin behind the gills and usually attached to the posterior part of the skull; the shoulder girdle. Composed of the following basic elements (some of which may be lost): coracoid, scapula,… … Dictionary of ichthyology