scapus


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scapus

[′skā·pəs]
(biology)
The stem, shaft, or column of a structure.

scapus

The shaft of a column.
References in periodicals archive ?
warana, both with orange head, by: scapus, pedicellus, mesopleuron and metapleuron brown to blackish; prominent anterior median knob on first tergite of metasoma.
9d), a pointed, medial scapus (frequent in other species of the species-group) is almost absent (Fig.
which suggests: "Hold the animal using one hand, with its head between the index finger and the thumb; locate in the skull of the animal the region of external occipital crest; mark this point with a pen; obtain this measure taking as reference a media line from the end of the muzzle to the marked point of crest, using the scapus of the pachymeter to measure the external ends".
Paraphidnia lacks the digitiform process on the pedicellus of the antenna, which is diagnostic of the other genus, and the distal tubercle on the scapus is less developed compared to species of Anaphidna.
Scapus yellow-brown, pedicellus yellow-brown basally, pale brown distally, basal flagellomere pale brown.
Herbae perennes, erectae, 19-26 cm altae; folia omnia basalia, disticha, aequitantia, lineari-ensiformia, glabra, purpurea, basim versus 15-22 cm longa, folia vetera annulum ex fibris constatum basim versus formantia; scapus simplex, alatus, glaber, 17-24 cm longus, 0.
Sm, cui affinis, sed scapus rubrus, rache inflorescentiae rubra, ramis lateralibus brevioribus, bracteis floriferis irregulariter sulcatis, floribus longioribus pallide flavidis et petalis longioribus differt.
The most suitable method of measurement respects predetermined anatomic points, the use of the suitable scapus of pachymeter as well as its accuracy.
7 cm latae, involutae, distaliter arcuatae; scapus inflorescentiae erectus, teres, 29-50 cm longus; inflorescentia simplicissima; spica anguste elliptica, complanata, 18-25 cm longa, 3.