(n.) A small South American rodent (Coelogenys paca), having blackish brown fur, with four parallel rows of white spots along its sides; the spotted cavy. It is nearly allied to the agouti and the Guinea pig.
Example Sentences:
(1) In a survey of CT-scanner utilization, data from all machines operating in the PACA Region in 1986, showed that the mean activity was 6,080 examinations per machine.
(2) Thus, PacA and PacB are two essential bacteriophage proteins required for recognition and cleavage of the P1 packaging site.
(3) To test this hypothesis, membranes of MIA PaCa-2 cells, a human dedifferentiated pancreatic cancer cell line, were incubated without hormone (control) or with 0.1 microM EGF or somatostatin analogue RC-160 for 1 hr at 4 degrees C to phosphorylate the 60-kDa protein.
(4) Upon analysis of the morphologic characteristics of the protoscoleces derived from the cysts, the sizes of rostellar hooks from the material from the paca were found to be well within the ranges reported in previous studies.
(5) A membrane receptor and a cytosolic receptor for somatostatin were found in a human undifferentiated pancreatic cancer cell line (MIA PaCa-2).
(6) In vitro studies revealed that the relatively resistant cell line, WD PaCa (or well-differentiated pancreatic adenocarcinoma of the Syrian hamster), actually had higher ADR cellular levels than the sensitive cell line, PD PaCa (or poorly differentiated pancreatic adenocarcinoma of the Syrian hamster).
(7) 5,575, 1986]; one transcript predicts an amino acid sequence identical to that predicted by our MIA PaCa-2 cDNA clone; the other transcript predicts a similar protein containing a three amino acid residue insertion.
(8) In this investigation, the human pancreatic undifferentiated cell line, MIA PaCa-2, was compared with PANC-1 cells (a human ductal cell line previously characterized), isolated rat and human ducts, acinar cells, and nonpancreatic cell lines.
(9) Approximately 75% of the amino acids identified in both MIA PaCa CSF-1 and murine CSF-1 were found to be common to both.
(10) The established cell line (MIA PaCa-2) has a doubling time of 40 h. The cells are large with abundant cytoplasm, exhibit a high degree of aneuploidy and have a tendency to grow on top of other cells.
(11) With this assay, androgen receptors were detected in five fresh human pancreatic adenocarcinoma specimens (three male), two pancreatic cancer cell lines (Mia PaCa 2 and Ger), one xenograft tumor which responded to androgens, five specimens of normal adult pancreas (two male), and a pool of fetal pancreatic tissue.
(12) It is suggested that the antileishmanial action of PIHCA and other PACA nanoparticles results from the activation of respiratory burst in macrophages.
(13) Human cell lines resistant to L-asparaginase or albizziin were isolated by multistep selection of HT1080 fibrosarcoma and MIA PaCa-2 pancreatic carcinoma cells.
(14) Maximal response to CCK8 occurred at the 10(-9) M dose for each cell line: MIA PaCa-2, 40% (P less than 0.025); PANC-1, 85% (P less than 0.001); RWP-2, 68% (P less than 0.001) and CAPAN-2, 52% (P less than 0.001).
(15) Two human pancreatic adenocarcinoma cell lines (PANC 1 and MIA PACA 2) were examined for expression of growth factors that could potentially play a role either in growth regulation of the tumor cells, or in cells that comprise the stromal elements of tumors.
(16) The administration of etoposide prior to FP resulted in synergistic cytotoxicity in L1210, HCT-8, Mia PaCa, MCF-7, and T47-D cells while the reverse sequence resulted in additive or antagonistic cytotoxicity in L1210, HCT-8, and Mia PaCa cells.
(17) The production of plasminogen activator by Mia PaCa-2 cells is totally inhibited by actinomycin D and cycloheximide.
(18) Four of the patients with polycystic hydatid disease observed by us reported that they were aware of the presence of liver disease in the pacas hunted for food.
(19) MIA PaCa-2 and AsPC-1, and a gall bladder carcinoma cell line, G-415.
(20) Gel permeation chromatography of a mixture of the PACA and actinide elements have shown these substances to be strong chelating agents similar to EDTA or DTPA.
Pica
Definition:
(n.) The genus that includes the magpies.
(n.) A vitiated appetite that craves what is unfit for food, as chalk, ashes, coal, etc.; chthonophagia.
(n.) A service-book. See Pie.
(n.) A size of type next larger than small pica, and smaller than English.
Example Sentences:
(1) During the operation an upward looping PICA was found crossing and tightly compressing the exit zone of the right facial nerve.
(2) CT showed low density areas in 15 cases after 24 hours of the onset, but an abnormality was not demonstrated in one case which had an infarction of PICA area.
(3) In this method, when the angle between the film and the horizontal plain of Frankfurt is fixed at 50 degrees, the origin of PICA is projected on the film between the upper and lower teeth line.
(4) Especially, aneurysms which originate from distal portion of PICA are very rare.
(5) The death rate was high (4 (14%) of the 29 admissions and 3 (21%) of the admissions associated with pica).
(6) The second case had a large thrombosed aneurysm in the left vertebral artery compressing the medulla oblongata, with small perforators originating from the proximal posterior inferior cerebellar artery (PICA) feeding the brainstem.
(7) The aetiopathogenesis of pica is discussed as well as its role in the development of necrotising enteritis.
(8) The direct PICA supply comes from a trigeminal trunk.
(9) The authors present a case of dissecting aneurysm of the right posterior inferior cerebellar artery (PICA) in a 47-year-old female, who suffered from mild subarachnoid hemorrhage.
(10) In addition to providing a demonstration of "psychological" involvement in the etiology of pica, these results indicate that visceral conditioning may accompany the formation of conditioned taste aversions.
(11) Certain variations will cause an unusual but normal enlargement of the vessel in a specific portion of its course; these variations include vertebral artery duplication, a C-1 or C-2 vertebral origin of the PICA, a C-1 or C-2 occipital origin of the PICA, and an intradural course of the vertebral artery at C-2.
(12) A case of macroglossia following neck clipping of VA-PICA aneurysm is described.
(13) A significant correlation between serotypes defined by reactivity of immune sera in PICA and inhibition of melanoma cell binding (MCB) was observed.
(14) The arterial territories involved were the superior cerebellar artery (SCA) in 13 cases (alone in 8 cases), the anterior inferior cerebellar artery in 2 cases, the posterior inferior cerebellar artery (PICA) in 17 cases (alone in 13 cases) and border areas in 5 cases (associated with SCA or PICA).
(15) Thus, eating of nonnutritive substances such as kaolin, so-called pica, is an illness-response behavior of rats analogous to vomiting in humans.
(16) The majority of descriptions of pica have dealt with its occurrence in children, in pregnant women, and as a societal practice in certain cultures studied from a medico-anthropologic point of view.
(17) Although pica is a common manifestation of iron deficiency, this appears to be the first reported case of salt pica secondary to iron deficiency.
(18) Abnormal eating behaviors such as pica or coprophagy are usually caused by a dietary imbalance or boredom.
(19) The language skills of 11 aphasic patients were assessed through the use of the PICA.
(20) The relationship of mineral deficiency to pica and anorexia nervosa is discussed.