preoral


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Related to preoral: preoral gut

pre·o·ral

(prē-ō'răl),
In front of the mouth.
[pre- + L. os (or-), mouth]

preoral

(prē-ôr′əl)
adj.
Situated in front of the mouth.

pre·o·ral

(prē-ō'răl)
In front of the mouth.
[pre- + L. os (or-), mouth]
References in periodicals archive ?
A pre-vitellaria forms by six days and has four lateral outgrowths (left dorsal bulge, right dorsal bulge, left ventral bulge, and right ventral bulge) and a prominent preoral lobe at the anterior end (Fig.
Etmopterus joungi has a relatively shorter preoral length [8.0% TL (8.2-8.7)] as compared to the syntypes E.
The postoral, posterodorsal, and preoral arms arose as separate skeletal elements, with the postoral arms appearing first [ILLUSTRATION FOR FIGURE 1G OMITTED]; the anterolateral arms arose as part of the postoral arm skeleton.
A preoral band of cilia, the prototroch, encircles the larva and beats with an effective stroke from anterior to posterior.
Chemoreceptors in the preoral cavity of the tobacco hornworm, Manduca sexta, and their possible function in feeding behavior.
Campana preoral extensa, cirros unidos por una membrana en la mayor parte de su longitud, con cirros intrabucales.
Se utilizo una metodologia de ingesta de gotas con diferentes ARNdc y diferentes concentraciones depositadas en la cavidad preoral de larvas de primer instar de la broca.
The upper part of the velum was covered with two types of cilia; long outer preoral cilia (i.e., OPC, Chaparro et al.
Presencia de una espina preoral que se encuentra situada ventralmente entre los dos discos succionadores.
The hybrid larvae exhibit several morphological characters intermediate between those of the parents, including the size of the preoral ciliated pit and the angles of deflection of the gill slits and anus from the ventral midline.
El estomodeo inicia en la cavidad preoral y continua con la faringe y el esofago, poco diferenciados morfologicamente, pero presentan musculos externos: el buche es una zona de ensanchamiento esofageal, recubierto por musculos circulares.
By 3 days after fertilization, larvae had developed a nearly complete set of external ciliary structures: an apical tuft composed of a group of long cilia surrounded by shorter cilia, three equatorial ciliary bands (a preoral prototroch, circumoral food groove, and postoral metatroch), and a ventral neurotroch (Fig.