frontal triangle
(ARTHROPODA: Insecta)
In holoptic flies, the triangle between the eyes and the antennae, the apex being above.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • frontal triangle — a triangle bounded by the maximum frontal diameter and lines from either end of this diameter to the glabella …   Medical dictionary

  • triangle — In anatomy and surgery, a three sided area with arbitrary or natural boundaries. SEE ALSO: trigonum, region. [L. triangulum, fr. tri , three, + angulus, angle] anal t. [TA] the posterior portion of the perineal region through which the …   Medical dictionary

  • Frontal bone — Bone: Frontal bone Frontal bone highlighted in red Latin os frontale Gray s …   Wikipedia

  • Frontal crest — Bone: Frontal crest Frontal bone. Inner surface. (Frontal crest visible at center but not labeled.) Latin crista frontalis Gray s …   Wikipedia

  • Triangle control frame — The triangle control frame (TCF or A frame) is widely used in hang gliders, powered hang gliders, and ultralight aircraft. TCF is just one of many sorts of control solutions. TCF resolves a means of using weight shifting attitude control in… …   Wikipedia

  • Suprameatal triangle — Bone: Suprameatal triangle Relations of the brain and middle meningeal artery to the surface of the skull. 1. Nasion. 2. Inion. 3. Lambda. 4. Lateral cerebral fissure. 5. Central sulcus. AA. Reid …   Wikipedia

  • Orbital part of frontal bone — Frontal bone. Outer surface. (The Pars orbitalis is the bottom third.) F …   Wikipedia

  • Gyrus frontal inférieur — Le gyrus frontal inférieur F3 est un gyrus du lobe frontral du cortex cérébral, situé dessous du sillon frontal inférieur. Il est presqu entièrement situé sur la face latérale et n a qu un grêle segment sur la face inférieure. (fig. 1) Gyrus de… …   Wikipédia en Français

  • Foramen cecum (frontal bone) — Infobox Bone Name = Foramen cecum (frontal bone) Latin = f. caecum ossis frontalis GraySubject = 33 GrayPage = 137 Caption = Frontal bone. Inner surface. ( Foramen caecum visible as black hole near center bottom.) Caption2 = Base of the skull.… …   Wikipedia

  • Einthoven triangle — an equilateral triangle used as a mathematical model of the standard electrocardiographic limb leads, in which the instantaneous heart vector in the frontal plane may be projected on the sides of the triangle thereby demonstrating that the… …   Medical dictionary

Share the article and excerpts

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