Diagrammatic longitudinal section of the body. Labels: a, the neural tube, with its upper enlargement…
Diagrammatic longitudinal section of the Body. Labels: a, the neural tube, with its upper enlargement…
Diagrammatic longitudinal section of the trunk and head. Labels: 1,1, the dorsal cavity; a, the spinal…
Diagram of the Body opened from the front to show the contents of the ventral cavity. Labels: d, diaphragm;…