Page 175 - Ultimate Visual Dictionary (DK)

CRUSTACEANS

EXTERNAL FEATURES OF A STALKED BARNACLE
Carina plate
Dactylus Tergum plate
Propodus Cirrus
Scutum plate
Carpus
Merus
EXTERNAL FEATURES
Ischium OF A CRAYFISH
Antenna
Basis
Coxa Mandible 2nd maxilliped INTERNAL ANATOMY OF
A STALKED BARNACLE
Cephalothorax Cirrus
Tergum plate
Scutum plate
3rd maxilliped
Female
Penis
Rostrum gonopore
Testis
Mouth
Antennule Anus
Adductor muscle
Carina plate
Supraoesophageal
Compound
ganglion
eye Midgut
Carapace Cephalic groove Esophagus
Mantle cavity
Digestive caecum
Stomach Ovary
Oviduct Stalk (peduncle)
Cement gland

Antennule
Cheliped (chela; claw;
1st leg; 1st pereopod)

INTERNAL ANATOMY OF A FEMALE CRAYFISH
Dorsal abdominal artery Heart Ostium Ovary Proventriculus (stomach)
Intestine (hindgut) Brain

Opening of
Ganglion
green gland
Green gland
Mouth
Ventral nerve Digestive
Anus cord caecum
Ventral abdominal artery Sternal artery
Oviduct

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