lateral umbilical fold

(redirected from epigastric fold)

lat·er·al um·bil·i·cal fold

the ridge on the peritoneal surface of the anterior abdominal wall formed by the inferior epigastric vessels.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Abdomen oval-elongate, widest at midpoint, with scutum covering entire dorsum; dorsum very dark brown with faint yellowish mottling, with lateral cream markings at half abdomen length; two pairs of sigilla present, first pair at a quarter abdomen length and second pair just behind cream markings; abdomen covered with short, straight white setae dorsally and fine black setae laterally; epigastric area sclerotised, ventral and inframamillary sclerites absent; venter with two paired lines of tiny sclerites running from epigastric fold to spinnerets.
115); ST I widely separated, spherical, at epigastric fold (Figs 114-116) spicula sp.
54); ST I close together, sometimes at epigastric fold, shape variable 20
20 Posterior section of spermathecae converging medially to epigastric fold; lateral ridges absent; ST II clearly separated (Fig.
--Posterior section of spermathecae diverging, ending broadly at epigastric fold (Fig.
Diagnosis: This species can be recognised by the bubble-shaped ST II and the ducts linking the spermathecae, which converge at a 45[degrees] angle to the epigastric fold (Fig.
Epigyne weakly sclerotised; ducts linking spermathecae at 45[degrees] angle to epigastric fold; extending into small triangular ST I; ST II large, globular (Fig.