intestine

Testes (smallest size circle)

Vas deferensSeminal

vessicles

Lateral line (part of the excretory system

hypodermis

Pseud

ocoe

lom

= w

hite

are

a

White stuff= pseudocoelom layer

uterus

ovaryintestine

oviduct

ovary

oviduct

Longitudinal muscle

Nurse cells (the larva stage)

The larva stage is called L1 (nurse cell)

Copulatory bursa

G: Ancylostoma or Nacator

Pharyngeal bulb

Phylum: Nematode

G: Enterobius vermicularis

Common name: Pin worm

Pharyngeal bulb

microfillaria

Corona- the cilia portion

foot

body

Mantle

Gills

Foot

Intestine

Heart Intestine

Kidney

intestine

Longitudinal

muscles

Circular muscle

coelom

Blood vessels

Nerve cord

coelom

muscles

Chorogogue cells

Oblique muscles

parapodia

Blood vessels

lumen

typhlosole

Chlorogogue cells

nephridium

Epithelial cells

coelom

Epidermis/hypodermis

Circular muscle

Longitudinal muscle

peritoneum

coelom

Hypodermis/epidermis

nephridium

peritoneum

setae

aciculum

notopodium

neuropodium