Flashcards: Crayfish
About these flashcards
Created by:
campbellsr on February 28, 2011
Subjects:
Groups:
Log in to favorite or report as inappropriate.
All 32 terms
Terms | Definitions |
|---|---|
 cephalothorax/abdomen | the two divided parts of the crayfish's body. |
| carapace | the part of the exoskeleton that covers the cephalothorax. |
| antennules | organs of touch, taste, and BALANCE. |
| antennae | organs of touch, taste, and SMELL. |
| mandibles | the jaws. |
| maxillae | hold solid food, tear it, and pass it to the mouth. |
| maxillipeds | the first three appendages on the cephalothorax, hold food for eating. |
| chelipeds | the large claws that the crayfish uses for defense and to capture pray. |
| walking legs | help for navigation. |
| swimmerets | create water currents over gills and function in reproduction, flipperlike appendages used for swimming |
| uropods | the sixth segment of the abdomen., found on each side of the telson in the crayfish |
| telson | part of the tail of a crustacean used for propulsion (in the middle of the tail) |
| dorsal | top view |
| ventral | bottom view |
| lateral | side view |
| cervical groove | separates the head and the thoracic regions. |
| green glands | the kidneys, One of the pair of excretory organs in each side of the head region of decapod crustaceans, emptying at the base of the antennae |
| gills | help for breathing. |
| rostrum | crayfish's helmet |
| pyloric stomach | Where the stomach transfers the food which connects to a pair of digestive glands in each arm |
| cardiac stomach | stores food; contains gastric mill with three toothlike structures that grind up food |
| antennal gland | Excretory system |
| ostia of heart | part of open circulatory system...allows blood to enter heart from body cavity |
| ophthalmic artery | supplies blood to the cardiac stomach, esophagus and head |
| hepatic arteries | supplies blood to the hepatopancreas |
| hepatopancreas | secretes enzymes for digestion for arthropods |
| extensor muscle | a skeletal muscle whose contraction extends or stretches a body part |
| flexor muscle | a skeletal muscle whose contraction bends at a joint |
| vas deferens | sperm duct |
| compound eye | composed of many light detectors |
| mandibular muscle | powerful muscle to move mandibles |
| gastric | Pertaining to the stomach. |
Set Champions
Scatter Champion
11.5 secs by GrantDenburger
Space Race Champion
161,210 points by ChuckLee