integument, spermatic cord, peduncle, palps, ovipositor, umbilicus, auricle, reticulum, tubercles, ostia, lucidum, rotifer, radula, hemolymph, caul, tracheae, nematocysts, tectum, phalarope, erectile tissue, tubelike, brood pouch, pelvic cavity, ileocecal valve, bilaterally symmetrical, antennal, oviduct, cecum, pelvic fin, effluvium, sulci, flatworm, punctum, mud dauber, glans, fungus gnat, inguinal canal, maxillary, fossa, xenopus laevis, spiracles, trabeculae, zona pellucida, prepuce, copulatory, nidus, conceptus, nares, caudal, vas deferens, tubules, spirochete, epididymis, spermatozoon, premolar, ossicles, exudation, auditory canal, barbels, glans penis, hindgut, domesticus, excrements, nasal cavity, lacrimal, arachnoid, lymphatics, meshwork, speculum, concavity, wolf spider, ovule, corpuscle, medulla, paramecium, dural, bezoar, spathe, bulla, orifices, gonad, uterine cavity, protoplasm, meadow vole, occiput, bronchi, embryonic tissue, pineal, antrum, eustachian tube, parenchyma, ameba, protuberances, carpenter bee, pelvic girdle, peritoneal cavity, conodonts, excretory, venus, mouthparts, yolk sac, columba livia, atrium, pharynx, anus, cranium, notochord, oesophagus, gullet, pore, vagina, arteriosus, cerebrum, chimney, mesentery, amphitheater, ampulla, caecum, cavity, esophagus, thorax, trachea, capsule, cloacal, coelomic, nuclei, ovary, peritoneum, strata, urethra, uric, vulva, abdomen, aberrant

sewage system, sewage works, sewer system

drain, drainpipe, waste pipe

sewer, sewerage