Vertical limb

a graduated arc attached to an instrument, as a theodolite, for measuring vertical angles.

See also: Vertical

References in periodicals archive ?
Cystoscopy showed calculus formed over the vertical limb of the IUCD and the horizontal limb embedded in the uterus.
Once the perpendicular limb is plugged, the vertical limb allows for normal respiration and phonation.
Vertical limb and angle of preopercle serrate, lower limb smooth; subopercle and interopercle smooth in adults.
The student stood straight with heels, buttocks, back touching the vertical limb of the instruments and stretching upwards to the fullest extent with arms hanging on the side.
Q: Four or five years ago, one of the huge pecan trees in our yard was struck by lightning, which hit the top Of the largest vertical limb and ran down it, through the trunk, and into the ground.
Its vertical limb can erode the rectal wall and present its threads through the anus7,8.
Due to vertical limb movement, with limbs moving in opposite directions, noise and hand shock are greatly reduced.
Members of the genus may be recognized by the lack of cephalic sensory canal pores, a much reduced cephalic sensory papillae pattern, a wide gill opening extending anteriorly to below the vertical limb of the preopercle or, more usually, anterior to this, a lack of spicules (odontoids) on the outer gill rakers of the first gill arch, fewer than 12 dorsal and anal fin rays, and a fifth pelvic-fin ray that is equal to or more than 40% the length of the fourth pelvic-fin ray (Winterbottom 1995, 2003).
Bowtech's testing shows that the Guardian, and other bows with truly parallel limbs, produce 20 to 30 times less recoil energy on release than traditional vertical limb bows.
We all shot vertical limb bows for years and they shot fine.
I also noticed slightly bigger vertical limbs were preferred over smaller ones.
Such bows are more enjoyable to shoot because they don't produce as much shock as bows with vertical limbs.