Difference between revisions of "Intraseptal interlocular space"
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| − | [[File:Fig 44.jpg|thumb|<font size="2">'''Fig. 1.''' Enveloping canals produced by folded outer lamellas. '''A-D:''' Lamellae in the peripheral portion of three successive chambers. Stereograph, schematic, not to scale. '''A:''' ultimate and penultimate chamber: '''red:''' inner lamella; '''green:''' outer lamella of ultimate chamber, '''white:''' outer lamella of penultimate chamber. '''B:''' addition of the next chamber with an inner lamella in red and an outer lamella in blue. '''C:''' addition of an other chamber with its outer lamella in yellow. '''D:''' superposition of lamellas B and C over the then final chamber A after two additional growth steps. '''E:''' SEM micrograph of the complete test of ''Calcarina defrancii'' d'Orbigny, ventral view, showing distribution of canal orifices over all the test including the canaliferous spines. '''F:''' SEM micrograph of an epoxy resin cast of the shell cavities in ''Calcarina gaudichaudii'' d'Orbigny cut in a direction perpendicular to the axis of the spiral shell, ventral view; '''G:''' detailed SEM micrograph of the ventral shell surface of ''C. gaudichaudii''. Calcarinas from Keij Island, Indonesia. Recent. After Hottinger and Leutenegger, 1980. '''apil:''' axial pile of lamellae; '''ch:''' chamber and chamber lumen; '''co:''' canal orifice; '''csp:''' canaliferous spine; '''envc:''' enveloping canal; '''isc:''' intraseptal space or canal; '''il:''' [[inner lamella]]; '''lh:''' [[loop-hole]]; '''ol:''' [[outer lamella]]; '''p:''' [[pore]]; '''paf:''' perforate part of apertural face; '''ssk:''' supplemental skeleton; '''st:''' [[stolon]]; '''uc:''' umbilical canal network; '''uch:''' ultimate chamber suture, chamber walls broken off; (Hottinger, 2006; fig. | + | [[File:Fig 44.jpg|thumb|<font size="2">'''Fig. 1.''' Enveloping canals produced by folded outer lamellas. '''A-D:''' Lamellae in the peripheral portion of three successive chambers. Stereograph, schematic, not to scale. '''A:''' ultimate and penultimate chamber: '''red:''' inner lamella; '''green:''' outer lamella of ultimate chamber, '''white:''' outer lamella of penultimate chamber. '''B:''' addition of the next chamber with an inner lamella in red and an outer lamella in blue. '''C:''' addition of an other chamber with its outer lamella in yellow. '''D:''' superposition of lamellas B and C over the then final chamber A after two additional growth steps. '''E:''' SEM micrograph of the complete test of ''Calcarina defrancii'' d'Orbigny, ventral view, showing distribution of canal orifices over all the test including the canaliferous spines. '''F:''' SEM micrograph of an epoxy resin cast of the shell cavities in ''Calcarina gaudichaudii'' d'Orbigny cut in a direction perpendicular to the axis of the spiral shell, ventral view; '''G:''' detailed SEM micrograph of the ventral shell surface of ''C. gaudichaudii''. Calcarinas from Keij Island, Indonesia. Recent. After Hottinger and Leutenegger, 1980. '''apil:''' axial pile of lamellae; '''ch:''' chamber and chamber lumen; '''co:''' canal orifice; '''csp:''' canaliferous spine; '''envc:''' enveloping canal; '''isc:''' intraseptal space or canal; '''il:''' [[inner lamella]]; '''lh:''' [[loop-hole]]; '''ol:''' [[outer lamella]]; '''p:''' [[pore]]; '''paf:''' perforate part of apertural face; '''ssk:''' supplemental skeleton; '''st:''' [[stolon]]; '''uc:''' umbilical canal network; '''uch:''' ultimate chamber suture, chamber walls broken off; (Hottinger, 2006; fig. 44)[http://paleopolis.rediris.es/cg/CG2006_M02/index.html] '''CC'''/BY-NC-SA)]] |
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==Definition== | ==Definition== | ||
*''according to Hottinger (2006):'' | *''according to Hottinger (2006):'' | ||
| − | '''INTRASEPTAL INTERLOCULAR SPACE''' - the interlocular space formed between the posterior bilamellar wall of a chamber and the distal bilamellar wall of the preceding chamber, as a result of a deeply sunken suture. Intraseptal spaces may be open to the exterior along their margins either continuously or through openings between points of marginal adherence of consecutive lateral chamber walls. | + | '''INTRASEPTAL INTERLOCULAR SPACE''' - the [[interlocular space]] formed between the posterior [[bilamellar wall]] of a [[chamber]] and the distal bilamellar wall of the preceding chamber, as a result of a deeply sunken suture. Intraseptal spaces may be open to the exterior along their margins either continuously or through openings between points of marginal adherence of consecutive lateral chamber walls. |
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==See also== | ==See also== | ||
| + | *[[bilamellar wall]] | ||
| + | *[[chamber]] | ||
*[[fossette]] | *[[fossette]] | ||
| + | *[[interlocular space]] | ||
*[[sutural canals]] | *[[sutural canals]] | ||
==References== | ==References== | ||
