In biology, aboral surfaces are surfaces away from or opposite the mouth. The term is a compound of the Latin preposition ā, a, abs, meaning from or away from and the noun ōs, ōris n., meaning mouth. It is also the opposite of oral which is the end containing the mouth of a radially symmetrical animal.
What is Aboral and oral?
The main axis is heteropolar—i.e., with unlike ends, one of which bears the mouth and is termed the oral, or anterior, end, and the other of which, called the aboral, or posterior, end, forms the rear end of the animal and may bear the anus. The main axis is hence termed the oral-aboral, or anteroposterior, axis.
What does Aboral mean in anatomy?
aboral – opposite to or away from the mouth; “the aboral surface of a starfish” anatomy, general anatomy – the branch of morphology that deals with the structure of animals.
What does Aboral mean in zoology?
aboral. / (æbˈɔːrəl) / adjective. zoology away from or opposite the mouth.
What is the opposite of Aboral?
Opposite of away from the oral opening or mouth (compare with ventral) orad.
How do you tell the difference of the Aboral and oral surfaces?
aboral surfaces are surfaces away from or opposite the mouth. The term is a compound of the Latin preposition ā, a, abs, meaning from or away from and the noun ōs, ōris n., meaning mouth. It is also the opposite of oral which is the end containing the mouth of a radially symmetrical animal.
What side is the madreporite on?
The madreporite is located on the aboral surface of the sea star, which is the side opposite the mouth.
How do you say Aboral?
Phonetic spelling of aboral. ab-ohr-l. Meanings for aboral. It is a part located in the animals and it is away from the mouth and it is a zoological word and it is an adjective.Synonyms for aboral. More. Examples of in a sentence. Translations of aboral.
What is the Aboral end?
The end of an animal’s body opposite its mouth.
What does Madreporite mean?
Definition of madreporite
: a perforated or porous body that is situated at the distal end of the stone canal in echinoderms.
What is the meaning of asteroidea?
: the class of echinoderms comprising the starfishes, all being unattached, having (1) a star-shaped or pentagonal body, the rays or arms (usually 5 in number) hollow and containing prolongations of the coelom and alimentary and other viscera, (2) a skeleton of calcareous plates and ossicles somewhat loosely united,
What is the meaning of Oral in biology?
oral – of or relating to or affecting or for use in the mouth; “oral hygiene”; “an oral thermometer”; “an oral vaccine” 3. oral – of or involving the mouth or mouth region or the surface on which the mouth is located; “the oral cavity”; “the oral mucous membrane”; “the oral surface of a starfish”
What part of speech is oral?
Oral can be an adjective or a noun.
What is meant by Hypostome?
Definition of hypostome
: any of several structures associated with the mouth: such as. a : the manubrium of a hydrozoan. b : a rodlike organ that arises at the base of the beak in various mites and ticks.
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