Abdomen |
The
segmented part of the body that is foled underneath the carapace, fitting
into a depression in the sternum |
Acuminate |
Tapering
to a point |
Antenna |
On
the lower,anterior surface of the body one of the outer pair of very short
appendages lying
between
the edge of the front and the buccal cavity |
Antennule |
On
the lower,anterior surface of the body,one of the inner pairs of very short
appendages
lying
between the edges of the front and the buccal cavity; it lies folded inconspicuously
in a
cavity |
Canaliculated |
Chanelled
, grooved |
Canthus |
The
angle at the junction of eyelids |
Carapace |
The
crab's "shell",covering the dorsal and lateral parts of the body |
Carinated |
Having
a ridge or keel |
Carpus |
The
fifth segment from the proximal end of the chelipeds or an ambulatory |
Chela |
The
grasping ,distal portion of the claw of either of the two chelipeds |
Costate |
Ribbed |
Coxa |
The
first segment of a cheliped or ambulatory |
Dactyl |
The
most distal segment ,the seventh,of a chelipad or ambulatory |
Elliptical |
pertaining
to oval |
Endopodite |
Medial
ramus of a biramous appendage |
Epistome |
Upon
mouth |
Exognath |
Upon
mouth
Outer
jaws |
Front |
In
the anterior part of the carapace ,middle section that projects
forward
and down between the orbits |
Glabrous |
Hairless |
Gonopad |
In
males , one of the pair of anterior abdominal appendages, situated on the
ventral , proximal part of the abdomen |
Gonopore |
In
females, one of the pair of genital openings |
Gressorial |
Adapated
for walking |
Intercalated |
Inserted
between others |
Ischium |
On
a maxilla, maxillipeds,chilped,or a ambulatory,the third segment form the
proximal end |
Margin
suborbital |
On
the antero-vertual part of the carapace the lower edge of the orbit |
Margin,
anterolateral |
On
the dorsal part of the carapace, the portion of the side margins immediately
behind the antero-lateral angle |
Merus |
On
a cheliped or ambulatory,the fourth segment from the proximal end |
Orbit |
Elongate
trenches on anterior part of carapace in which eyes talk and eye lie when
not in use |
Palm |
Inner
surface of propodus of chela |
prehensile |
Capable
of grasping |
Pterygostomian |
Anteroventral
corner of border of carapace |
Pubescent |
A
group of short,thickly set setae,often occuring in patches on carapace
and appendages;
appearance
reminiscent of velvet or fur |
Rhomboidal |
A
quadrilateral with its four sides equal |
Sulcus |
Groove |
Third
maxilliped |
Outermost
third pair of mouth part includes broad flat segments that fit closely
on the buccal cavity |
Tomemtum |
Matted
cottony protruberance |
Tuberculated |
Covered
with protruberance or swelling |
Vermiculated |
Marked
with an appearance of worm tracks |