Both the velum and the tentacular sheath bear numerous minute tubercles on the external surface.
Polypide The tentacular crown, alimentary canal, and retractor muscles of a polyzoon-individual.
At the bottom of this tentacular funnel is the mouth; and from the anterior opening in the mantle a tube issues, which is wide at its base.
This head is surmounted by ten tentacular arms or feet, eight of which are short and conical, and two long and slender, terminating in a sort of spatula.
Among organs of sense we may mention, as the apparatus of touch, the tentacular ambulacra, as well as those which are disseminated upon the dorsal surface of the disk.
The animal is contained in the interior of the shell, its mantle fringed by very smalltentacular appendages.
The stinging continued during the whole time that the minutest portion of the tentacular remained adherent to the skin.
Stychopus luteus of Brandt, who describes as its distinctive character three rows of tentacularfeet on the ventral surface.
Its position is the bottom of a sub-conical cavity, forming the base of numerous fleshy tentacularappendages which surround it, and which are termed arms by some writers.
The suckers, already described, occupy all the internal surface of the eight tentacular arms, which are arranged in two rows, having the form very nearly of a semi-spherical capsule.
From this coriaceous envelope issue tentacular feet analogous to those described in the sea-urchin and sea-star.
Tentacular cirri and notocirri similar in form to the median tentacle.
The parapodium of the first segment bears two prominent setae in the usual position; tentacular cirri of usual form, the filiform tips long, when bent back reaching proximad of middle of style.
Tentacular cirri resembling median tentacle in form, being narrowed distad with subapical enlargement slight; one or two fine setae emerging from a small nodule at distal end of parapodium proximad of tentacular cirrus.
Antennae, tentacular cirri and notocirri banded at base and distally with black.
Tentacular cirri short; the ventral ones subequal, less than half the length of the dorsals, which are also nearly equal to each other; more or less flattened; cirrophores short.
Unpaired tentacle situated between eyes in line connecting their centers, nearly of same length and size as the first tentacular cirri and about as long also as prostomium; annulate.
Inferior tentacular cirrus about equal in length to the median tentacle, the upper one much longer and consisting of about thirty-four articles.
Ventral tentacular cirrus of II of a thick, leaf-shaped form, sublanceolate in outline and much like the notocirri.
Lower tentacular cirrus about equalling a tentacle in length, the dorsal longer, both of similar form.
Tentacular cirri of same form as tentacles but longer.
Tentacular cirri and notocirri also short, the latter in anterior region about equalling half the width of the body proper and not extending much beyond the tips of the setae; joints short, near fifteen or less in number.
Other tentacular cirri subcylindric, reduced distally to a pointed tip, that of I about half as long as the dorsals of II and III.
Its tentacular arms, he determined, must be at least thirty-five feet long; and when the boat came within that distance he shuddered.
Although there is no doubt a striking resemblance between the tentacular disc of a larval Brachiopod and the lophophore of a Polyzoon, which has been pointed out by Lankester, Morse, Brooks, etc.
As the tentacles increase in number, the lateral parts of the tentacular disc grow out into the two lateral arms of the adult, while the dorsal margin forms the median coiled arm.
This ridge becomes eventually converted into the covering for the five tentacular outgrowths of the water-vascular ring (fig.
From the edge of the vestibule the arms grow out, carrying with them the tentacular prolongation of the water-vascular ring.
The development of the tentacular ring as well as its innervation from the sub-oesophageal ganglion prohibit us, as has been pointed out by Gegenbaur, from comparing it with the tentacles of tubicolous Chaetopoda.
Cheiroteuthis, suckers along the whole length of the tentacular arms.
A gradual reduction of the tentacular arms can be seen in the Decapoda, leading to their total absence in Octopoda; thus in Leachia, Chaunoteuthis and others these arms are reduced to mere stumps.
In various species of Cheiroteuthis the suckers on the tentacular arms are very feeble, but the bottom of the cup is covered by a number of anastomosed epithelial filaments which are used as a fishing-net.
Four pairs of ordinary non-retractile arms which are shorter than the body, and one pair of tentacular arms, situated between the third and fourth normal arms on each side and retractile within special pouches.
Suckers pedunculated and provided with horny rings, on the tentacular arms confined usually to the distal extremities.
Shell internal and chitinous, ending aborally in a little narrow cone; tentacular arms short and thick; suckers with denticulate rings.
The lamelliform organ upon the inner inferior tentacularlobe of Nautilus is possibly also olfactory in function.
Tentacular filaments on either side of the suckers.
Tentacular sheaths of lateral portion of the annular lobe.
The order is divided into two sub-orders, Decapoda and Octopoda, by the presence or absence of the tentacular arms.
Grimalditeuthis, two fins on each bide, notentacular arms.
They consist of tentacular organs placed in grooves on the under surface of the disc.
The eyes of Pecten and Spondylus[186] are placed on short stalks at the edge of the mantle, and are probably modifications of the tentacular processes of the mantle edge.
On reaching it one of them struck it with his "gaff," when immediately it showed signs of life, and shot out its two tentacular arms, as if to seize its antagonists.
The shorter arms measure, each, eight feet in length, and fifteen inches round the base: the tentacular arms are said to have been thirty feet long.
Fortunately, he was able to obtain from the fishermen a portion of one of the tentacular arms which they had chopped off with the axe, and by so doing rendered good service to science.
These long, slender tentacular arms are expanded at their extremity, and the inner surface of their enlarged part is studded with suckers--some of them larger in size than those on the eight shorter arms.
When thus tranquil, its eight pedal arms are usually brought close together, and droop in front of its head, like the trunk of an elephant, shortened; its two longertentacular arms being coiled up within their pouches and unseen.
A lank tentacular appendage gripped the edge of the cylinder, another swayed in the air.
The Secretary waved a tentacular arm and the visitor sprang lightly upon a softly cushioned bench, where he lay at ease, facing the official across his low, flat "desk.
As those tentacular arms stretched out toward the girl, Costigan leaped.
In Cheiroteuthis itself the tentacular arms are very long and slender, and are not capable of retraction into pockets.
No tube-feet or papillae, buttentacular ampullae more or less developed.
The suckers occupy all the internal surface of the eighttentacular arms, and each arm carries about 240 of them.
In Ammocoetes the tentacular nerve supplies the rudimentary muscles in the tentacles and the muscles of the upper lip.
This tongue bar of muco-cartilage joins with the muco-cartilage of the lower lip at its junction with the thyroid plate, and also with the tentacular bar just before the latter joins the muco-cartilaginous plate of the lower lip.
The latter disappear entirely at transformation, and in Petromyzon the tentacular nerve supplies the circular, pharyngeal, and annular muscles, which are derived from the rudimentary tentacular muscles.
I have curtailed it in order not to interfere with the representation of the lower lip and tentacular muco-cartilages.
From their innervation, then, they must have belonged to the same appendages as the tentacles supplied by the tentacular nerve, i.
This large bar forms the tentacular ridge on each side, and gives small projections of muco-cartilage into each tentacle.
The muscles of the upper lip, which distinctly belong to the visceral and not to the somatic musculature, form part of the foremost segments, and in these muscles the tentacular nerve reaches its final destination.
The analysis of these tentacularsegments belonging to the trigeminal nerve presents greater difficulties than that of any of the other cranial segments, owing to the deficiency of our knowledge of what occurs at transformation.
Hirman Stanley, in a somewhat similar manner, pushes the intellectual element in ticklishness very far back and associates it with "tentacular experience.
Thus ticklishness would be the survival of long passed ancestral tentacular experience, which, originally a stimulation producing intense agitation and alarm, has now become merely a play activity and a source of keen pleasure.
The tentacular bases and pouches are present, but there is no main tentacle as in Cydippidea; fine accessory tentacles lie in four grooves along the oral edge.
The stomodaeum lies in the sagittal plane, the funnel and tentacles in the transverse or tentacular plane.
Small accessory tentacles lie in grooves, but there is no tentacular pouch; the meridianal vessels anastomose in the lobes.
The numerous tentacular filaments surrounding the wide mouth resemble the shags of the chorion, which accumulate around the orifice of the umbilical cord to constitute a placenta in the higher animals.
The tentacular organs, from being yet soft and thus scarcely moveable, are still very imperfect.
Upon the edge of this flap all the way around may occur a row of cilia, or tentacular processes.
There are eight sessile, sub-triangular arms furnished with two series of suckers which are hemispherical and stalked, and two long retractile tentacular arms dilated at the extremities, bearing four rows of suckers.
The mouth is surrounded by tentacles, or by tentacular folds, and is at the base of the proboscis.
Other notable features of the nudibranchs are the great number of tentacular processes that usually project from the dorsal region of the animal, and, in many of the genera, an entire absence of gills.
Along the dorsal side of the shell is a row of holes, through which project numerous tentacular processes from the mantle.
In the larger of these animals the body is eight or ten feet long, the short arms eight feet and the long, tentacular arms thirty feet in length, making in all an animal nearly forty feet long when fully stretched out!
The head is rounded, has on either side the large, round eyes, and at the end it is split up into ten arms, two of which are longer than the others and are called the tentacular arms.
The animal of Sepia is short and rounded, with a large head surrounded by a row of eight short arms and two very long tentacular arms, ending in expanded clubs armed with powerful suckers.
The latter is now no longer responsive either to tentacular or to direct stimulation; but the tentacles and manubrium both remain responsive to stimuli applied either directly to themselves or to the neuro-muscular tissue of the bell.
By-and-by a state of continuous quiescence comes on, during which the animal is not responsive to tentacular irritation, but remains so to direct muscular irritation, giving one response to each direct stimulus.
Spontaneity ceases very rapidly even in weak solutions; and for an exceedingly short time after it has done so, the bell continues responsive both to tentacular and to direct stimulation.
The rate of transmission of tentacular waves is only one-half that of contraction-waves, viz.
During the quiescent stage the animal is for the first time insensible both to tentacular and to direct stimulation of the contractile tissues.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "tentacular" in a variety of sentences. We hope that you will now be able to make sentences using this word.