An elongate midline mark on the anterior, dorsal surface of the abdomen which overlies the heart
The brown recluse spider is the kind of spider that has a brown oval mark on its back. This spider's bite is extremely deadly to animals and humans.
No, but you will get a bite mark and some swelling.
A black spider with a red mark and green fangs might be a black widow spider. This spider is very venomous and its bite can kill a human if treatment is not received soon after a bite.
some are maybe
nothing
Spiders click as a way to communicate and to mark territory
A black widow spider is black with a red mark on it's abdomen; this might or might not be what you meant. The black widow sometimes has a red mark on her back, as well. The red backed spider of Australia, a relative of the black widow, has an orange red mark on the back.
The ant mimic spider is a type of Jumping Spider. Jumping Spiders are harmless. The most you would get is a small red mark where the bite occurred.
Mark E. Josephson has written: 'Clinical cardiac electrophysiology' -- subject(s): Arrhythmia, Cardiac Arrhythmias, Cardiac Electrophysiologic Techniques, Diagnosis, Diseases, Electrocardiography, Electrophysiology, Heart, Heart Diseases, Heart conduction system, Methods, Physiology, Physiopathology, Therapy 'Clinical cardiac electrophysiology ; techniques and interpretations' -- subject(s): Arrhythmia, Diagnosis, Diseases, Electrocardiography, Electrophysiology, Heart, Heart Diseases, Physiology, Physiopathology
If the red swollen mark at the back of your hand seems like a raised red welt and there is a spot on the middle and feels so itchy and painful, then probably it is a spider bite.
You splat it with the heel of your shoe - Mark Hogan (worcestershire)
a spider pen is a pen that you can go over like you mark a bit and quickly go over to your next bit thnks for reading hehe