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Vestigial spine Stock Photos and Images
RMM1HEMN–Schistosoma japonicum egg vestigial spine revealed in the micrograph film, taken from a liver tissue biopsy, 1986. Image courtesy Centers for Disease Control (CDC). ()
RMCERXHD–Vestigial hind limb bones hanging underneath spine, in museum skeleton of southern right whale (Eubalaena australis)
RM2AJ7TR3–A treatise on zoology . recirostris, T. and S. (Aftci- Hay, Fishes of India.) Family Balistiuae. The Trigger-Fishes have two or three dorsalspines, and generally large scales or scntes. Acanthoderma, Ag. ; Oligocene, Europe. Ikdistes, Cuv. (Figs. 448-9) ;Parahdercs, Blkr. ; Alutere.-^, Cuv. ; P&ilocephalus, Sw.—warm seas. Family Monacanthidae. The File-Fishes have one strong dorsalspine, and generally a second vestigial spine behind it. The pelvic finis vestigial or absent. The body is covered with small spiny scales. Monacanthus, Cuv. (Fig. 450). Series 2. (Ostracodermi). There is no spinous
RMT950JT–Francesco Lentini (July 8, 1884 - September 22, 1966) was an Italian-American showman. He was born with a parasitic twin. The twin was attached to Lentini's body at the base of his spine and consisted of a pelvis bone, a rudimentary set of male genitalia and a full-sized leg extending from the right side of Lentini's hip, with a small foot protruding from its knee. At the age of 8, his family moved to the United States, where he entered the sideshow business as The Great Lentini.
![A treatise on zoology . ; n.a, neural arch ; n.c, nerve-cord; n.cl, neuralcanal ; ii.-p, neural spine ; nt, notochord ; p.r, pleural rib. seem to be due to the genuine diphycercal character of the tail,and not, as Balfoin- supposed [30], to the loss of the caudal finitself. This character indicates a primitive structure (p. 101), andweighs against Dollos theory. The notochord extends to near the pituitary region ; there isno distinct joint between the skull and the vertebral column, Avhichpass gradually into each other. Several vestigial vertebral segmentsseem to be incorporated into the hind Stock Photo](https://c8.alamy.com/comp/2AJBAHW/a-treatise-on-zoology-na-neural-arch-nc-nerve-cord-ncl-neuralcanal-ii-p-neural-spine-nt-notochord-pr-pleural-rib-seem-to-be-due-to-the-genuine-diphycercal-character-of-the-tailand-not-as-balfoin-supposed-30-to-the-loss-of-the-caudal-finitself-this-character-indicates-a-primitive-structure-p-101-andweighs-against-dollos-theory-the-notochord-extends-to-near-the-pituitary-region-there-isno-distinct-joint-between-the-skull-and-the-vertebral-column-avhichpass-gradually-into-each-other-several-vestigial-vertebral-segmentsseem-to-be-incorporated-into-the-hind-2AJBAHW.jpg "A treatise on zoology . ; n.a, neural arch ; n.c, nerve-cord; n.cl, neuralcanal ; ii.-p, neural spine ; nt, notochord ; p.r, pleural rib. seem to be due to the genuine diphycercal character of the tail,and not, as Balfoin- supposed [30], to the loss of the caudal finitself. This character indicates a primitive structure (p. 101), andweighs against Dollos theory. The notochord extends to near the pituitary region ; there isno distinct joint between the skull and the vertebral column, Avhichpass gradually into each other. Several vestigial vertebral segmentsseem to be incorporated into the hind Stock Photo")
RM2AJBAHW–A treatise on zoology . ; n.a, neural arch ; n.c, nerve-cord; n.cl, neuralcanal ; ii.-p, neural spine ; nt, notochord ; p.r, pleural rib. seem to be due to the genuine diphycercal character of the tail,and not, as Balfoin- supposed [30], to the loss of the caudal finitself. This character indicates a primitive structure (p. 101), andweighs against Dollos theory. The notochord extends to near the pituitary region ; there isno distinct joint between the skull and the vertebral column, Avhichpass gradually into each other. Several vestigial vertebral segmentsseem to be incorporated into the hind
RMRE3CYK–. Text book of zoology. Zoology. 522 Vertebrata. tinguishable: tlie entire vertebral column, with the exception of the cervical region, is very flexible, the intervertebral discs thick. The jaws are much elongated; the jugal in the Odontoceti is very- thin ; the nasal very short, often rudimentary (best developed in the Mystacoceti). The scapula without a spine; clavicles absent. As was mentioned above, the bones of the fore limb are immovably connected; there are four or five fingers; it is interesting to note that soine of these have more than three joints. There is a vestigial pelvis in the
RMRDNFPH–. Luther Burbank, his methods and discoveries and their practical application;. Plant breeding. Vestigial Leaves The spine-like projections here shown on the alal) of the cactus are vestigial leaves. An account of them, with reference to their evolutionary meaning, is given in Volume I. They are all that remain of the leaves that the cactus once bore; and these reminiscent spikes drop off shortlg after coming out.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not
RMRHN94W–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 212 PETER B. TAYLOR the horns directed posteriorly along the lateral margins of the dorsal shield and the tips are closed. Following the first molt and for the five subsequent naupliar stages, the horns are directed anterolaterally and somewhat ventrally. The horn tips are perforate and complex, consisting of terminal stylets and spine processes. The horns appear to become vestigial during metamorphosis of the metanauplius (Stage VI) to the cyprid larval stage. In the cyprids of Scalpellum seal pell n in they are reduced to
RMRGEPK8–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Figure 2. Post-temporal and supracleithrum: A. Argyropele- cus aculeatus; B. Maurolicus muelleri; C. Valenciennellus tripunctulatus; D. Polyipnus asteroides; E. Sfernopfyx pseud- obscura. Abbreviations: PT ^ post-temporal; SCL =: su- pracleithrum. of greatly reduced or vestigial ribs. In Maurolicus, the first arched haemal spine is somewhat flattened distally. Polyipnus and Argyropelecus show a marked broad- ening of the distal end of these anterior haemal spines, with an increase in length proceeding posteriorly. Ste
RMRG8A7D–. Bulletin - United States National Museum. Science. Figure 42.—Anterior view of fourth cervical, ANSP 12692, of Eschrichtius ceplialus Cope. Abbrs.: d.a., diapophysis; p.a., parapophysis. anteroposteriorly and perforated at the base by a verte- brarterial canal. The neural spine is not developed. The measurements (in mm.) are as follovvrs: greatest vertical diameter, tip of vestigial neural spine to ventral face of centrum, 163; and greatest vertical diameter of neural canal anteriorly, 95. Fourth Cervical: The centrum (ANSP 12692; fig. 42) is subrectans^lar in oudine, convex anteriorly and c
RMRDGF3G–. Elementary text-book of zoology. Coracoid Process. A, Scapula. B, Humerus. Supratrochlear Foramen. C, Radius and Ulna.. the first few caudals, there is no fusion of vertebrae, a con- dition probably due to the multiplicity of movement involved in the varied life of the rabbit. The pectoral girdle consists of a small vestigial clavicle connecting the sternum with the second element or scapula This is a large, triangular, flat bone with a glenoid cavity at one angle. Down the centre of one surface is a ridge or spine, culminating towards the glenoid cavity in an acromion process which usually
RMRGCNN4–. Bulletin of the Natural History Museum Zoology. PHYLOGENY OF ARIETELLID COPEPODS 157 XXII. Fig. 36. Sarsarietellus abyssalis, female (holotype). A, Antennulary segments XXI to XXVIII; B, Terminal part of second endopod segment of antenna, vestigial innermost seta indicated by arrowhead; C, Antennary exopod; D, Mandibular endopod and exopod; E, Praecoxal arthrite, coxal endite, basis and endopod of maxillule, vestigial basal seta indicated by arrowhead; F, First praecoxal endite of maxilla; G, Basal spine of maxilla; H, Leg 5, posterior surface. Scales in mm. wider than long; entire reproduct
RMRG8A83–. Bulletin - United States National Museum. Science. no UNITED STATES NATIONAL MUSEUM BULLETIN 247. Figure 42.—Anterior view of fourth cervical, ANSP 12692, of Eschrichtius ceplialus Cope. Abbrs.: d.a., diapophysis; p.a., parapophysis. anteroposteriorly and perforated at the base by a verte- brarterial canal. The neural spine is not developed. The measurements (in mm.) are as follovvrs: greatest vertical diameter, tip of vestigial neural spine to ventral face of centrum, 163; and greatest vertical diameter of neural canal anteriorly, 95. Fourth Cervical: The centrum (ANSP 12692; fig. 42) is su
![. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. fin, which supports the upper caudal lepi- dotrichia in much the same manner as the hypurals in the ventral tail region. A further indication that these epural inter- spinous bones are not vestigial dorsal spine supports is found in Traquair's (1911) plate 7 of Amiopsis dolloi and his plate 8 of Amiopsis lata (both species from the Creta- ceous [Wealden] of Belgium); these plates show the bones to be clearly associated with the caudal lepidotrichia (Fig. 7).. i Fig. 6. Urocles lepidofus MCZ 8300, caudal fin. Fig. 7. R Stock Photo](https://c8.alamy.com/comp/RGF1ER/bulletin-of-the-museum-of-comparative-zoology-at-harvard-college-zoology-fin-which-supports-the-upper-caudal-lepi-dotrichia-in-much-the-same-manner-as-the-hypurals-in-the-ventral-tail-region-a-further-indication-that-these-epural-inter-spinous-bones-are-not-vestigial-dorsal-spine-supports-is-found-in-traquairs-1911-plate-7-of-amiopsis-dolloi-and-his-plate-8-of-amiopsis-lata-both-species-from-the-creta-ceous-wealden-of-belgium-these-plates-show-the-bones-to-be-clearly-associated-with-the-caudal-lepidotrichia-fig-7-i-fig-6-urocles-lepidofus-mcz-8300-caudal-fin-fig-7-r-RGF1ER.jpg ". Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. fin, which supports the upper caudal lepi- dotrichia in much the same manner as the hypurals in the ventral tail region. A further indication that these epural inter- spinous bones are not vestigial dorsal spine supports is found in Traquair's (1911) plate 7 of Amiopsis dolloi and his plate 8 of Amiopsis lata (both species from the Creta- ceous [Wealden] of Belgium); these plates show the bones to be clearly associated with the caudal lepidotrichia (Fig. 7).. i Fig. 6. Urocles lepidofus MCZ 8300, caudal fin. Fig. 7. R Stock Photo")
RMRGF1ER–. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. fin, which supports the upper caudal lepi- dotrichia in much the same manner as the hypurals in the ventral tail region. A further indication that these epural inter- spinous bones are not vestigial dorsal spine supports is found in Traquair's (1911) plate 7 of Amiopsis dolloi and his plate 8 of Amiopsis lata (both species from the Creta- ceous [Wealden] of Belgium); these plates show the bones to be clearly associated with the caudal lepidotrichia (Fig. 7).. i Fig. 6. Urocles lepidofus MCZ 8300, caudal fin. Fig. 7. R
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