alt = Drawing of a shark labeling major anatomical features, including mouth, snout, nostril, eye, spiracle, dorsal fin spine, caudal keel, clasper, labial furrows, gill openings, precaudal pit and fins: first and second dorsal, anal, pectoral, caudal and pelvic

There are two dorsal fins, the first one spiny and the second soft.

The spiny first dorsal fin is normally folded back in a groove, as are its pectoral fins.

The first dorsal and anal fins are spinous, as is the operculum.

The first ( spiny ) dorsal fin and the pelvic fins are normally retracted into body grooves.

Gigantactis is a deep-sea fish with a dorsal fin whose first filament has become very long and is tipped with a bioluminescent photophore lure.

At first observation, the day after the operation, the back of Head's hand and the dorsal surface of his thumb were seen to be " completely insensitive to stimulation with cotton wool, to pricking with a pin, and to all degrees of heat and cold.

This jack can be distinguished from the pilot fish by the presence of a first dorsal fin.

Masked triggerfish ( Sufflamen fraenatum ) with its first dorsal spine partially raised.

As a protection against predators, triggerfish can erect the first two dorsal spines: The first, ( anterior ) spine is locked in place by erection of the short second spine, and can be unlocked only by depressing the second, “ trigger ” spine, hence the family name “ triggerfish ”.

This, the amniotic fold, first makes its appearance at the cephalic extremity, and subsequently at the caudal end and sides of the embryo, and gradually rising more and more, its different parts meet and fuse over the dorsal aspect of the embryo, and enclose a cavity, the amniotic cavity.

Burbot have two soft dorsal fins: the first being low and short, the second being much longer.

In some highly derived species the first five abdominal segments are fused into a dorsal shield called the scutum, which in most such species is fused with the carapace.

The " easiest " way to distinguish the two species is the fact that A. percula has 10 spines in the first dorsal fin and A. ocellaris has 11, which is a more reliable distinction than color patterns.

They grow to 30 – 90 cm long ( 1 – 3 ft ), and their distinctive first dorsal fins take the form of a modified oval sucker-like organ with slat-like structures that open and close to create suction and take a firm hold against the skin of larger marine animals.

They are frequently found basking at the surface, airing their first dorsal fin.

The GSV originates from where the dorsal vein of the first digit ( the large toe ) merges with the dorsal venous arch of the foot.

A saddle-like marking may be apparent between first and second dorsal fins.

Surgery ( in which the sheath of the first dorsal compartment is opened longitudinally ) is documented to provide relief in most patients.

* DeQuervain's Syndrome ( affecting the first dorsal compartment of the wrist )

The second dorsal fin is smaller than the first.

The suboccipital nerve is the dorsal primary ramus of the first cervical nerve ( C1 ).

Coelacanths (, adaptation of Modern Latin Cœlacanthus " hollow spine ", from Greek κοῖλ-ος koilos " hollow " + ἄκανθ-α akantha " spine ", referring to the hollow caudal fin rays of the first fossil specimen described and named by Louis Agassiz in 1839 ) are members of an order of fish that includes the oldest known living lineage of Sarcopterygii ( lobe-finned fish and tetrapods ).

The first signs of modern " proto-hippies " emerged in fin de siècle Europe.

For 1936, there was the new Airflow-inspired 302 ( which ran until 1938 ) and a 402-based large model, designed by Andrean, which featured a vertical fin and bumper, with the first high-mounted taillight.

Uniquely, the Tatra T603 featured three headlights, and the first prototypes had a central rear stabilising fin, though this was lost for production.

In the first movement of Quatuor pour la fin du temps the piano and cello together provide an early example.

In literature, the Decadent movement — late nineteenth century fin de siècle writers who were associated with Symbolism or the Aesthetic movement — was first given its name by hostile critics, and then the name was triumphantly adopted by some writers themselves.

The fin was introduced in 1936 by Woody " Spider " Brown ", later inventor of the modern catamaran, when he built America's first modern surfboard ( i. e., capable of being surfed standing up ) using principles learned during his decade of aeronautical experience.

Later, Fresh Water also came out with the first wakeskate specific fin.

The first and original fin material to wakeskating is plastic.

( 1872 ); and especially the learned work of Leopold Hervieux, Les Fabulistes latins depuis le siècle d ' Auguste jusqu ' a la fin du Moyen Âge ( Paris, 1884 ), who gives the Latin texts of all the medieval imitators ( direct and indirect ) of Phaedrus, some of them being published for the first time.

The first volume was expanded into three volumes, La Gaule romaine ( 1891 ), L ' Invasion germanique et la fin de l ' empire ( 1891 ) and La Monarchie franque ( 1888 ), followed by three other volumes, L ' Alleu et le domaine rural pendant l ' époque mérovingienne ( 1889 ), Les Origines du système féodal: le bénéfice et le patronat ... ( 1890 ) and Les Transformations de la royauté pendant l ' époque carolingienne ( 1892 ).

The first type of British naval swimming fin had a short blade which was even shorter at the big toe side: this made walking on land easier for such purposes as creeping up on a sentry from behind on land, but reduced swimming speed.

In its first two years, in what Japan called its " feasibility study ", 850 Antarctic minkes, as well as 10 fin whales, were to be taken each season ( 2005 – 06 and 2006 – 07 ).

This species can be distinguished from similar species by the plain or white-tipped first dorsal fin, the dark tips on the other fins, the broad, black rear margin on the tail fin, and the lack of a ridge between the dorsal fins.

It was originally distinguished from the grey reef shark by a white tip on the first dorsal fin, a shorter snout, and one fewer upper tooth row on each side.

Identifying features of the grey reef shark include dark edges on all fins except for the first dorsal fin.

Even the knowledge that she was losing another boy, as a mother always does when a marriage is made, did not prevent her from having the first carefree, dreamless sleep that she had known since they dropped down the canyon and into Bear Valley, way, way back there when they were crossing those other mountains.

And that is the way I first saw her when my Uncle brought her into his antique store.

Why, in the first place, call himself a liberal if he is against laissez-faire and favors an authoritarian central government with womb-to-tomb controls over everybody??

Life is further characterized, in antithesis to Piepsam, as animal: the image of a dog, which appears at several places, is first given as the criterion of amiable, irrelevant interest aroused by life considered simply as a spectacle: a dog in a wagon is `` admirable '', `` a pleasure to contemplate '' ; ;

In the first instance, `` mimesis '' is here used to mean the recalling of experience in terms of vivid images rather than in terms of abstract ideas or conventional designations.

This is the primary function of the imagination operating in the absence of the original experiential stimulus by which the images were first appropriated.

The first half of The Charles Men, ending on the climax of the battle of Poltava in 1709, is more dramatically coherent than the second.

He is, first and foremost, a defender of public morals, a servant of society.

The first of two possible variations on this theme is symbolized by Mickey Spillane's Mike Hammer.

Noting such evidence is the first step ; ;

So it is that we relive his opening statement in the first television address with the dramatic immediacy of the present.

and it is surely clear that the first of these is the result of the way in which the individual's command of language interacts with the other two.

The first thing to do is get her some money by a temporary but definite adjustment pending a final disposition of the case.

When I take over Taliesin, the first thing I'll do is fire you ''.

If `` Jack the Courtier '' is really to be taken as Swift, the following remark is obviously Steele's comment on Swift's change of parties and its effect on their friendship: `` I assure you, dear Jack, when I first found out such an Allay in you, as makes you of so malleable a Constitution, that you may be worked into any Form an Artificer pleases, I foresaw I should not enjoy your Favour much longer ''.

At this point a working definition of idea is in order, although our first definition will have to be qualified somewhat as we proceed.

`` History has this in common with every other science: that the historian is not allowed to claim any single piece of knowledge, except where he can justify his claim by exhibiting to himself in the first place, and secondly to any one else who is both able and willing to follow his demonstration, the grounds upon which it is based.

We saw it frequently afterward, but our suggestion for the very first encounter is near sunset.

Master Gorton, having foully abused high and low at Aquidneck is now bewitching and bemaddening poor Providence, both with his unclean and foul censures of all the ministers of this country ( for which myself have in Christ's name withstood him ), and also denying all visible and external ordinances in depth of Familism: almost all suck in his poison, as at first they did at Aquidneck.