The posterior end of a worm is the lighter colored end of the organism... and the anterior end of the worm is darker.
i think it may be the posterior (the butt) is white in color when magnified and the head is the same color as the body
the mouth
the head
Head .
It's relative to the subject. Anterior refers to the "beginning" while posterior refers to an "end"
Anterior is the front end. Posterior is the back-end. Thus the "anterior end of a ruminant" means the part before the stomach, being the mouth and esophagus.
it is toward the anterior end of a worm
A Human
A Human
Anterior refers to the head end of a bilaterally symmetrical animal. The word posterior refers to the rear end or tail end.
The posterior end of each scale covers the anterior end of the next scale.
The posterior is the End (anus) of the worm and the anterior or mouth is the front of the worm
It is the posterior, and the front side is known as the anterior.
It beats having recto-cranial inversion and the resultant brain in the POSTERIOR!
Posterior is a word that derives from the latin prefix "post", meaning behind. Thusly, posterior is in reference to anything located behind something, so the posterior end of the heart is the one facing back.
Euglena is an elongated animalcule with anterior end slightly broad and posterior end slightly tapering The anterior end bears flagellum. The food particle is captured with the help of flagellum. It is brought near the anterior end which invaginate to form a food cup which becomes totally enclosed and finally internalized as a food vacuole.The digestion is intracellular.