1

BIO2135 – Animal Form and Function

Nematoda! Miller and Tupper 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 Tupper Chap. 14