1
BIO2135 – Animal Form and Function
Nematoda● Miller and Harley Chap. 13
BIO2135 – Animal Form and Function
Nematoda Phylogeny
Fig. 13.1
BIO2135 – Animal Form and Function
Pseudocoelom
Digestive tract Cavity
(hydrostatic skeleton)
Rigid cuticle
Longitudinal Muscles
2
BIO2135 – Animal Form and Function
Nematoda Anatomy
Fig. 13.2
BIO2135 – Animal Form and Function
Nematoda Mouthparts
Teeth
Lips
Papillae
Amphid
Mouth
BIO2135 – Animal Form and Function
Detail of Body Wall
Contractile musclefibers
Nucleus
Protoplasmic extension
Nerve cord
3
BIO2135 – Animal Form and Function
Locomotion
BIO2135 – Animal Form and Function
Osmoregulation & Excretion
Fig. 13.4
BIO2135 – Animal Form and Function
Sexual Reproduction
Fig. 13.5 & 13.7
4
BIO2135 – Animal Form and Function
Intestinal Worms
Fig. 13.6 & 13.9
BIO2135 – Animal Form and Function
Filiary Worms - Elephantiasis
Fig. 13.11
& 13.12
BIO2135 – Animal Form and Function
Root Parasites
5
BIO2135 – Animal Form and Function
Next Class -Arthropoda
●Miller and Harley Chap. 14