What's the difference between spicula and spicule?
Spicula
Definition:
(n.) A little spike; a spikelet.
(n.) A pointed fleshy appendage.
(pl. ) of Spiculum
Example Sentences:
(1) Changes in the significant radiological signs in Crohn's disease, such as spicula, cobblestone pattern, stenoses and fistulas, provide information on the development of the disease and on the effect of treatment.
(2) Most of the usual primary and secondary findings of cancer such as spicula formation, microcalcifications, skin, thickening and nipple retraction were present in these 50 cancer lesions and all of them were recognized in the benign lesions as well, although less frequently.
(3) Such changes include bone lesions larger than 6 cm on the first film with blurred outlines, showing patterns of destruction resembling moth-eaten textiles, the covering periosteum revealing spicula or Codman's triangles.
(4) lobation, spicula, notch, etc, sputum exfoliative cytology, fibrobronchoscopic examination, puncture biopsy of the lung must also be considered in order to ensure early diagnosis.
(5) The existence of cytoplasmic spiculae of exocrinous pancreocytes in the pancreas of different vertebrates allows to consider them as an element of the exocrinous part microcirculatory system.
(6) A reliable diagnosis is possible from the interpretation of these changes, as for instance with spiculae: Very dense and evenly arranged spiculae are only seen in hemolytic anemias and metastases of neurogenic tumors.
(7) It can be generalized, focal, monostotic or polyostotic and shows solid, lamellary or interrrupted spiculae-like reaction.
(8) The potential function of retained osseous spiculae was investigated separately.
(9) Both computer-assisted myelography and magnetic resonance scan showed the spinal cord segmentation and other associated disorders: bone spicula projecting between the 2 cordal halves, vertebral fusion defect and syringomyelic cavity.
(10) Histologically, CB and OB had the same appearance including peripheral spiculae rimmed by swollen blasts.
(11) Histologically there is periosteal thickening with periosteal proliferation of woven bone spiculae and also of myxoid elements of the soft tissue between bone and skin.
(12) Within 48 h the cytoplasm of ciliated cells form long lancet-shaped spiculae with upright walls.
(13) Type III collagen mRNA revealed a considerably different distribution: the highest levels were detected in upper dermis, lower levels were seen in fibroblasts of the periosteum and the fibrous mesenchyme between bone spiculas, and none was seen in osteoblasts.
(14) --C. malayensis is closely related to C. trichysi (the female of the two species are morphologically identical but the two species can be separated by the larger dorsal lobe of the bursa and the longer spicula of C. malayensis).
(15) This new species can be distinguished from S. dipterum (Popova, 1927), S. hoopoe Sharma, 1971 and S. caudatus Quentin and Wertheim, 1975 by its smaller body dimensions, the size of the spicula, the distribution and number of male caudal papillae, and by the morphology of the female posterior end.
(16) The abnormalities concern the formation of spiculae.
(17) length of body, oesophagus, number of stichocytes or length of spicula and vulvar appendage respectively was carried out.
(18) The secretion from A- cells having no contacts with capillaries is released into intercapillary clefts into which the cytoplasmic spiculae of the adjacent exocrinous pancreacytes are turned, capable to overlap them and prevent from the entering of the hormone from the intercellular clefts into the pericapillary gap.
Spicule
Definition:
(n.) A minute, slender granule, or point.
(n.) Same as Spicula.
(n.) Any small calcareous or siliceous body found in the tissues of various invertebrate animals, especially in sponges and in most Alcyonaria.
Example Sentences:
(1) Almost nothing is known about nature and timing of the embryonic cues which induce or initiate spicule formation by these cells.
(2) X-ray examination disclosed a spicule formation surrounding the osteolytic focus in the mandible.
(3) Bone spicule pigmentation increased in 41 of 76 patients for whom we could make comparisons over a three-year interval (54%).
(4) In morphology it is similar to D. bargusinica Skrjabin 1917, D. campanae Anderson 1959, D. dollfusi Anderson 1959, and D. epsilon Johnston and Mawson 1940, but can be separated from these species by combinations of trident size and spicule size and morphology.
(5) Characteristics features of this species (only males were found) are the small size of body, size and type of spicules, shape of tail and arrangement of caudal papillae.
(6) Two different types of spicules in male Enterobius were also observed in Korea.
(7) The border was assessed for a smooth, irregular, or spiculated margin.
(8) The authors had under observation 21 patients with diastematomyelia--a rare congenital disease marked by the formation of a bony spicule in the vertebral canal, which splits the spinal cord and its meninges.
(9) In both studies, the poikilocytes were identified as echinocytes, spiculated erythrocytes, and schizocytes.
(10) The girdle epidermis of adult Mopalia muscosa secretes several types of structures, including calcareous spicules and innervated hairs.
(11) Deposits consisted of dense aggregations of randomly entangled spicules spreading within bundles of collagen fibrils.
(12) From the above results, it was evident that both the matrix vesicles derived from functioning osteoblast, and the vesicular structures derived from the degenerated or dead cells concurrently phagocytosing spicules and collagen fibrils were involved in the initial calcification process of the membranous bone in vitro.
(13) We present the first two cases of vertebral metastases from prostatic carcinoma with spicule formation giving rise to osseous spinal stenosis and neurological deficits, best demonstrated by CT.
(14) Their dendrites also bear fine spicules and usually reach the tectal surface.
(15) Methylmercuric chloride produced an irregularity of cell shape with spicules including the final stage of spherocytes.
(16) Three male siblings, born of nonconsanguineous parents, manifested the characteristic paravenous bone spicule accumulation typically seen in pigmented paravenous chorioretinal atrophy.
(17) They differ from D. ramachandrani in their location in the host, the tail length, the shape of the spicules, and in the number of caudal papillae.
(18) At the same time the red cells became crenated and developed thorny spicules (echinocytes).
(19) We believe that these spicules correspond to the reorganization of the stroma along the edges of the corneal incision.
(20) Despite the variability of some characters such as length of tail and spicules, arrangment of caudal papillae, these species are well characterized by a set of elements, the two most important of which are the female cuticle and the anatomy of the microfilariae.