Nounstomach · dietary needs

Nounscrotum

Nounseminal vesicle

Noungallbladder; gall bladder

Nounsandbag

Nounice bag; ice pack

Noun, Noun which may take the genitive case particle 'no'egg sac; egg case; ootheca

Nounpocket

Nounlachrymal sac; tear sac; dacryocyst

Nounsandbag · gizzard

Nounfilter; water bag

Nounknapsack

Nounleather bag

Nounair sac (birds, insects, etc.) · gasbag (airship); envelope

Nounpericardium; pericardial sac

Nounwits; brains

Nounduffel bag

Nounascus; seed pod

Nounhair follicle

Nounfetal sac; foetal sac; gestation sac; gestational sac

Nounallantoic bladder

Nounembryo sac

Nounotocyst

Nounbird's crop; bird's craw

Nounfollicle; saccule; vesicle; little sac

Nouncheek pouch

Nounposterior capsule (ophthalmology)

Nounanterior capsule (ophthalmology)

Nounstomach; intestines · human being; human body · poop bag; doggy bag

Nounvocal sac (on frog)

Nounperfume pouch; incense bag · metallic scent ball (hung inside house, vehicle, etc.)

Noungill sac; branchial sac; branchial pouch; inner branchial groove; pharyngeal pouch

Nounpurse; money bag; wallet · wealth; money possessed

Nounmailbag

Noungizzard · sandbag

Noun(gelatin) capsule

Nounmedicine bag · cartridge bag (for holding an artillery charge); powder bag

Nounscrotum · pinecone

Nounyolk sac

Nounswimming belt; swimming float; life buoy; life jacket · swim bladder; air bladder

Nouninside pocket

Nounpouch (of a marsupial); marsupium

Nounutriculus; utricle

Nounsacculus; saccule

Nounsporangium

Nounink sac (in cephalopods)

Nounred mail bag

Nouncnidosac; cnidocystic sac

Nounspermatheca