How to use Labial in a sentence
The palps, both maxillary and labial, have two segments.
Maxillary and labial palpi are also present, and the latter, together with the labrum or lower lip, form the rostrum.
This is shown by the labial commissure and pedal cords of the nervous system, by the opening of the gonad into the right kidney, and by other points.
The mouth parts are well developed, consisting of an upper lip, powerful mandibles, maxillae with three-jointed palpi, and a deeply quadrifid labium or lower lip with three-jointed labial palpi.
Interior of dorsal valve, showing muscular impressions and labial appendages.Advertisement
In the Rhynchonellidae there are two short slender curved laminae, while in many genera and even families, such as the Productidae, Strophomenidae, Lingulidae, Discinidae, &c., there exists no calcified support for the labial appendages.
Interior of dorsal valve, to show the position of the labial appendages.
The poison is secreted in modified upper labial glands, or in a pair of large glands which are the homologues of the parotid salivary glands of other animals.
We thus expose the plough-like foot (I), the two left labial tentacles, and the two left gill-plates or left ctenidium.
Their appearance and position suggest that they are in some way related morphologically to the gill-plates, the anterior labial tentacle being a continuation of the outer gill-plate, and the posterior a continuation of the inner gill-plate.Advertisement
The gill-plates have a structure very different from that of the labial tentacles, and one which in Anodonta is singularly complicated as compared with the condition presented by these organs in some other Lamellibranchs, and with what must have been their original condition in the ancestors of the whole series of living Lamellibranchia.
The labial palps are direct continuations of the lips.
The dorsal half of the collar is the cerebral commissure, the ventral the labial commissure.
The labial commissure supplies only the buccal mass and the oesophagus and stomach.
There is thus a tendency to assimilation, and instead of a guttural followed by a labial semi-vowel, a new labial consonant p is produced.Advertisement
According to Spengel, the pair of ganglia near the mouth, variously called labial or cerebral, represent the cerebral pair and pleural pair of a gastropod combined, and the parietosplanchnic pair correspond to the visceral ganglia, the commissure which connects them with the cerebro-pleural representing the visceral commissure.
It consists of ciliated epithelium, beneath which are two ganglia connected with the labial commissure by nerves.
They have two circlets of tentacles, a labial and a marginal, and there is only one ciliated groove in the stomodaeum, which appears to be the sulculus.
The mandibular somite bears a pair of gnathobasic hemignaths without rami or palps, and is followed by two jaw-bearing somites (maxillary and labial).
The upper ones are the largest, and are continuous anteriorly with the labial glands, the ducts of which open on the mucous membrane of the upper lip.Advertisement
The License Agreement is for a new application of ICVT for the topical treatment of genital and labial herpes and certain other dysplasias.
I thought about the labial pits - infra-red sensors on the first four upper lip scales of the reticulated python.
Shell oval, elongated, with narrow aperture; neck very long; labial palps prominent.
Medical names for cold sores include oral herpes, labial herpes, herpes labialis, and herpes febrilis.
The maxillary palps have usually three, the labial either two or four segments.Advertisement
The labial tentacles are formed late.
From the points where the cords meet the cerebral commissure, arise on each an anterior labial commissure and a stomatogastric commissure.
The labial commissure gives off a subradular commissure which also bears two ganglia, these being in close relation to a special sense-organ called the subradular organ, an epithelial projection with nerve-endings, lying in front of the radula and probably gustatory in function.