(n.) Any Old Word rodent of the genus Hystrix, having the back covered with long, sharp, erectile spines or quills, sometimes a foot long. The common species of Europe and Asia (Hystrix cristata) is the best known.
(n.) Any species of Erethizon and related genera, native of America. They are related to the true porcupines, but have shorter spines, and are arboreal in their habits. The Canada porcupine (Erethizon dorsatus) is a well known species.
Example Sentences:
(1) It is apparent that seasonal acclimatization of the Cape porcupine is also reflected by these parameters.
(2) The parasites in these and eight cases previously reported from the northern United States and Canada are classified as resembling Dirofilaria ursi, a primarily subcutaneous parasite of bears, or D. subdermata of porcupines, in the same region.
(3) Overall minimal thermal conductance was calculated for newborn and paired adult porcupines.
(4) Trypanosoma cruzi-like parasites were found in 13 different species, and were particularly common in a variety of marsupials (Didelphidae), porcupines (Coendou spp.
(5) The woodchuck had a higher threshold and significantly smaller slope to its CO2 ventilatory response compared to the porcupine, but showed no difference in its hypoxic ventilatory response.
(6) It is suggested therefore that the Caviomorpha (guinea pig-like rodents) and possibly the Hystricomorpha (porcupine-like rodents) should be elevated in taxonomic rank and conferred an ordinal status distinct from the Rodentia.
(7) Aureobasidium pullulans was repeatedly isolated from a cutaneous infection of a porcupine (Erethizon dorsatum).
(8) The Quill Location: Southwark | Floors: 31 | Height: 109m | Architect: SPARRC | Status: approved | Use: student accommodation The Quill What would a building look like if it had a fight with a gigantic porcupine, and the porcupine won?
(9) The results indicate that plasma progesterone-binding proteins in Cape porcupines (Old World hystricomorph) are similar in composition to those in guinea-pigs (New World hystricomorph).
(10) The reproductive tract of the male Cape porcupine is morphologically and histologically similar to that of New World hystricomorph rodents.
(11) The constituent cell types of the ovary of the porcupine were similar to those of New World hystricomorph rodents and accessory corpora lutea and luteal bodies were formed through the luteinization of the membrana granulosa or theca interna of antral follicles.
(12) The woodchuck P50 of 27.8 was hardly different from the porcupine value of 30.7, but the Bohr factor, -0.72, was greater than the porcupine's, -0.413.
(13) This is the first report of notoedric acariasis in the porcupine.
(14) Sled dogs from five native villages on the range of the Artic caribou herd, but not from two villages on the the range of the Porcupine caribou herd, are commonly infected.
(15) Methods used to produce wounds included insertion of porcupine quills, application of constrictive rubber bands, mascara injections and excoriation of healing wounds.
(16) Mass-specific food and water intake of control and lactating porcupines was examined throughout the 68-78 days of lactation.
(17) Sexually mature female Cape porcupines kept under natural conditions of illumination and temperature did not conceive while housed within their natal groups.
(18) The reproductive pattern of porcupines is associated with low juvenile mortality and long adult lifespan (both of which reflect the porcupine's protective morphology), and may be related to the quality of winter diets.
(19) Six of 16 porcupines (Erethizon dorsatum) live-trapped in Sullivan County, Pennsylvania were infested with the mite Notoedres douglasi.
(20) To assess the effect of huddling, these parameters were also measured in adult pairs of porcupines (Ta = 15 and 25 degrees C) kept together in the metabolic chamber and the values were compared with those obtained from single porcupines.
Spine
Definition:
(n.) A sharp appendage to any of a plant; a thorn.
(n.) A rigid and sharp projection upon any part of an animal.
(n.) One of the rigid and undivided fin rays of a fish.
(n.) The backbone, or spinal column, of an animal; -- so called from the projecting processes upon the vertebrae.
(n.) Anything resembling the spine or backbone; a ridge.
Example Sentences:
(1) Univariate and multivariate analyses indicated previous LBP or back pain in another location of the spine were strongly associated with LBP during the study year.
(2) In contrast, the ryanodine receptor is observed in dendritic shafts, but not in the spines.
(3) We reviewed the results of intraoperative monitoring of short-latency cortical evoked potentials in 81 patients who underwent surgical procedures of the cervical spine.
(4) Unrecognized flexion injuries of the cervical spine may lead to late instability and neurologic damage.
(5) The present case indicates that the possibility of osseous spines impinging on the facial nerve should be considered in all cases of facial spasm.
(6) The results of conventional sciatic nerve stretching tests are usually evaluated regardless of patient age, gender or movements of the hip joint and spine.
(7) The correlation of posterior intervertebral (facet) joint tropism (asymmetry), degenerative facet disease, and intervertebral disc disease was reviewed in a retrospective study of magnetic resonance images of the lumbar spine from 100 patients with complaints of low back pain and sciatica.
(8) Lumbosacral spine films revealed only minimal degenerative changes, while lumbar myelogram showed L4-L5 and L5-S1 ventral extradural defects.
(9) This paper presents a comparison of the diagnostic value of CT studies and conventional radiological diagnosis, based on 46 CT studies, in patients with inflammatory bone lesions of the spine (n = 20) before and after surgical interventions (n = 12).
(10) Specimens from the bone marrow taken were by trephine biopsy from the sternum, ala ossis ilii and spine.
(11) Quite the contrary, in cases of higher nervous activity disturbances, destruction of the organelles and desintegration of spine apparatuses is clearly pronounced.
(12) The left scapula in each dog was treated by open reduction and plating of the scapular spine.
(13) In general, the cerebellum showed a much delayed developmental pattern with regard to Purkinje cell spine formation.
(14) The effects exerted on the cervical spine by a traction of 150 N was studied by means of an improved radiographic technique.
(15) In the perineuronal neuropil of large pyramidal neurons (layers V-VI) there appear symmetric synapses with pyramidal cells, dendritic processes and dendritic spines.
(16) For conservative treatment of injuries of the cervical spine, two different methods are available: The HALO fixator and the collar.
(17) Whereas in flexion stress all methods showed a sufficient stability, the rotation tests proved, that in case of a dorsal instability of the lower cervical spine, posterior interlaminar wiring or anterior plate stabilization showed no reliable stabilization effect.
(18) Recommendations are made suggesting closer scrutiny of this region of the spine.
(19) Differentiation from synovial or ganglion cysts of the spine is discussed.
(20) To avoid the complications attributable to the cervical spine, we recommend roentgenographic examination in all neurofibromatosis patients who are about to have general anesthesia or skull traction for treatment of scoliosis.