The development of lymphoid and haemopoietic tissues in pig fetuses.
D000818:Animals; D005260:Female; D005333:Fetus / Q000166:cytology*; D006413:Hematopoietic System / Q000196:embryology*; D008221:Lymphoid Tissue / Q000196:embryology*; D011247:Pregnancy; D013552:Swine; D013950:Thymus Gland / Q000196:embryology