Fig. 20. The angle in a fetus late in the ninth month (at approximately 37 weeks) extends somewhat beyond the posterior part of the trabecular meshwork, which has its apex at the termination of the corneal endothelium (En). The scleral spur (arrow) and the canal of Schlemm (arrowhead) are in front of the angle. Loose tissue in the angle is indicated by the hollow arrow. AC, anterior chamber; CM, ciliary muscle; cp, ciliary processes; C, cornea; Ir, iris; PC, posterior chamber; Sc, sclera.