Atlas of Animal Anatomy and Histology
Roundworms (Nematoda)
External views of a male and a female roundworm (Ascaris suum) Insert: the head region enlarged
The female genital pore is in the middle of a pinch on the cuticle on the ventral side of the body
The posterior end of a male Ascaris curved ventrally
Internal structure of male Ascaris
Details of the anterior internal structures of male Ascaris Insert: Transverse section of Ascaris at the level of the pharynx
Histological cross sections of Ascaris body wall (Azan)
Histological cross sections of Ascaris body wall (left HE) and gut (right Azan)
Dorsal dissection of a female Ascaris. The reproductive system has been moved to the side and untangled for clarity
Details of the reproductive system of female Ascaris
Dorsal dissection of a male Ascaris. The reproductive system has been moved to the side and untangled for clarity
One of the two penial setae (copulatory spicules) of a male Ascaris
Histological cross sections of the gonads of a female Ascaris (HE) E: epithelium, EF: epithelial folds
Histological cross sections of the gonads of a male Ascaris (Azan)