basal

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basal

[′bā·səl]
(biology)
Of, pertaining to, or located at the base.
(physiology)
Being the minimal level for, or essential for maintenance of, vital activities of an organism, such as basal metabolism.
References in periodicals archive ?
Chelicerae yellowish brown, broad basally, gradually narrow anteriorly; promargin with two teeth, lower small, upper large; retromargin with one tooth higher than promarginal teeth; fangs dark brown, short, strongly curved, with scopulae at base.
3 Notogastral setae thin basally and widened medially; setae lp and [h.
Epiphallus (Figs 6, 92: 1A, 2A): ancorae well developed, long and curved, exceeding the anterior process, lophi elongated; apodemes of cingulum (Figs 5, 92: 3A, 4A) basally very broad, then abruptly narrowing.
0 mm high, 35-50 [micron]m in diameter, with a group of 22-25 basally placed annuli, and 6-8 annuli at distal end.
Epigyne with globular, anterior, converging spermathecal sacs; median septum wedge shaped, broad basally, pointed apically reaching near the half of epigyne; spermathecal ducts coiled; epigynal orifices large, longitudinal, near septum; epigynal plate narrow anteriorly and broad posteriorly, both margins with deep invaginations.
3 cm long cm long Laminas Elliptic-oblong, basally Elliptic or obovate, cordate basally obtuse to rounded Flower number (8) 9-15 (8) 13-22 per inflorescence Buds (7) 9-12 mm long 6-8 mm long Bracteoles 4-6 mm long 3-4 mm long Sepals (4) 5-7 mm long 4-6 mm long Petals Free, oblong, (8) 9-14 mm Free, oblong, 12-14 mm long long Stamens 42-48; 9-12 mm long 40-55; 7-10 mm long Ovary Pyriform; 6-8 (9) mm tall Globose; 3-5 mm tall Ovules 16-20 per locule 8-14 per locule
Male fore tibia incised basally to accept apex of large distal tooth on fore femur (Fig.
The cusps are fused basally, round in cross section and covered by coarse ridges where preserved.
Post contrast T1 MRI weighted images detected diffuse enhancement in the area of the right cavernous sinus, extending basally towards the trigeminal cave and anteriorly towards the apex of the right orbit, with right-sided temporal-basal dural sheath imbibition and along the clivus.
1c-e) ovate, about twice as long as wide; with six setae as follows (seta I lost): seta II and III vestigial, situated laterally on distal half of ramus; seta IV well-developed, displaced dorsally close to vestigial setae II and III; apical seta V longest; inner seta VI arising distally; dorsal seta VII arising medially, articulated basally.
Chelicerae yellowish brown, broad basally, gradually narrow anteriorly; promargin with two teeth, lower small, upper large; retromargin with two teeth, lower farther low, upper higher than respective promarginal teeth; fangs dark brown, short, strongly curved, with scopulae at base.
The apex of metasoma projecting; ovipositor long, basally located at the base of T1, projecting beyond the apex of metasoma, 2.