This popular website has an extensive collection of anatomy lectures and 3D anatomy tutorials.
Series of free online courses (49 US$ for each course if you want a certificate). The XSeries is a Massive Open Online Course (MOOC) from EDX and the University of Michigan and will explore human anatomy using a systems approach and a vast library of multimedia materials.
Anatomy Atlases is a digital library of anatomy information and provides 6 Anatomy Textbooks and Atlases.
The University of Wisconsin School of Medicine and Public Health provides a vast series of lectures and videos in all medical specialties, including gross anatomy dissections videos.
Human Anatomy Education supports classroom teaching by emphasizing applied aspects of the anatomy including cross-sectional, imaging, surgical, clinical, developmental, and surface anatomy.
Medscape is a vast free medical resource with content in all medical specialties including texts in anatomy.
The Geneva Foundation is a well-organized directory of links organized by diseases and conditions mostly on gynecology and obstetrics. There is also an excellent link directory on free medical journals in all specialties, including anatomy journals.
Human Anatomy Learning Modules - Geisel School of Medicine at Dartmouth, Department of Anatomy.
Cross-sectional atlas of human anatomy with images from the Visible Human Project sponsored by the National Library of Medicine.
Series of historical anatomical atlases from the National Library of Medicine's collection.
Cross-section anatomy tutorial with images comparing the anatomy, MRI, and CT scans. Pictures are from the Visible Human Project-NLM.
Online course in embryology for medicine students developed by the universities of Fribourg, Lausanne, and Bern (Switzerland).
Embryo Images Online is a tutorial of normal and abnormal mammalian development that uses scanning electron micrographs as the primary resource to teach mammalian embryology.