(n.) The quality of being dense, close, or thick; compactness; -- opposed to rarity.
(n.) The ratio of mass, or quantity of matter, to bulk or volume, esp. as compared with the mass and volume of a portion of some substance used as a standard.
(n.) Depth of shade.
Example Sentences:
(1) It is suggested that the Japanese may have lower trabecular bone mineral density than Caucasians but may also have a lower threshold for fracture of the vertebrae.
(2) Ca2+ transport was positively correlated with MR cell density.
(3) Osteoporosis is characterized by a reduction in bone density.
(4) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
(5) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
(6) In schizophrenic patients the density of dopamine uptake sites in the basal ganglia was slightly reduced, mainly in the middle third of putamen.
(7) Size analysis of the solubilized IgA IP employing sucrose density gradient ultracentrifugation, indicated that these were heterogeneous, with a size generally larger than 19 S.
(8) Estimates of the risk probability for each dose level and sacrifice time are found utilizing the sample likelihood as the posterior density.
(9) We report on a patient, with a CT-verified low density lesion in the right parietal area, who exhibited not only deficits in left conceptual space, but also in reading, writing, and the production of speech.
(10) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
(11) We assessed changes in brain water content, as reflected by changes in tissue density, during the early recirculation period following severe forebrain ischemia.
(12) Macrophages internalize aggregated low density lipoprotein (LDL) by LDL receptor-dependent phagocytosis.
(13) The capillary-adipocyte distances were shorter and the vascularization density was higher in old rats.
(14) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
(15) When compared with nonspecialized regions of the cell membranes, these contact sites were characterized by a decreased intercellular distance, subplasmalemmal densities and coated pits.
(16) Furthermore, high-density catalase-positive--but not catalase-negative--E. coli can survive and multiply in the presence of competitive, peroxide-generating streptococci.
(17) The deep cerebellar nuclei were moderately labeled at birth and gradually decreased in density thereafter.
(18) In spite of important differences in size, chemical composition, polymer density, and configuration, biological macromolecules indeed manifest some of the essential physical-chemical properties of gels.
(19) It is especially efficacious in evaluating patients with cystic lesions, especially those with complex cysts not clearly of water density.
(20) These observations suggest that the liver secretes disk-shaped lipid bilayer particles which represent both the nascent form of high density lipoproteins and preferred substrate for lecithin-cholesterol acyltransferase.
Orbital
Definition:
(a.) Of or pertaining to an orbit.
Example Sentences:
(1) Furthermore echography revealed a collateral subperiosteal edema and a moderate thickening of extraocular muscles and bone periostitis, a massive swelling of muscles and bone defects in subperiosteal abscesses as well as encapsulated abscesses of the orbit and a concomitant retrobulbar neuritis in orbital cellulitis.
(2) The nature of the putative autoantigen in Graves' ophthalmopathy (Go) remains an enigma but the sequence similarity between thyroglobulin (Tg) and acetylcholinesterase (ACHE) provides a rationale for epitopes which are common to the thyroid gland and the eye orbit.
(3) In reconstruction of the orbital floor, homograft lyophilised dura or cialit-stord rib cartilage are suitable, but the best materials are autologous cartilage or silastic or teflon.
(4) Computed Tomography was used to demonstrate the increased retro-orbital fat.
(5) A microdissection of the orbital nerves of the cat was made paying particular attention to the accessory ciliary ganglion.
(6) As with alloplastic orbital implant extrusions in enucleated sockets, autogeneous dermis fat grafts can be useful in managing extrusions in previously eviscerated sockets.
(7) Orbital hypertelorism, strictly defined as an increase in bony interorbital distance, is not itself an isolated syndrome, but is instead an anomaly that may occur as either part of a syndrome or malformation sequence.
(8) In several other cases, MR provided information beyond that obtained with CT. MR has the advantage of providing exquisite anatomic detail in multiplanar images, and it appears to be more sensitive than CT in detecting small, subacute and chronic hemorrhage within soft-tissue masses in the orbit and in detecting ischemia of the globe.
(9) We describe here two essentially different patterns of behavioral recovery following selective lesions of the dorsolateral and orbital prefrontal cortex.
(10) A planet with conditions that could support life orbits a twin neighbour of the sun visible to the naked eye, scientists have revealed.
(11) Bacterial orbital cellulitis is a feared complication of paranasal sinus infection.
(12) The procedure appears to relieve papilledema by filtering small quantities of cerebrospinal fluid into the orbit.
(13) Comments on the symptomatology, exploratory means and differential diagnosis with other sinusal or orbital conditions.
(14) The usual approach to the inferior orbit has been through a subciliary skin incision and dissection of a skin flap to the orbital rim.
(15) Active palpebral occlusion was retained by means of the orbital portion of the orbicularis muscle.
(16) Complications due to orbital or intracranial development of the osteoma are rare and demand neurosurgical treatment.
(17) A review of 104 patients with acute orbital cellulitis during the past decade showed that the frequency of hospital admissions for this disease has increased recently.
(18) Techniques borrowed for the correction of congenital craniofacial deformities and acute traumatic reconstruction have improved the quality of secondary post-traumatic orbital reconstruction.
(19) Follow up consisted of clinical investigation, laboratory evaluation with detailed thyroid function tests and complete ophthalmological assessments including A and B scan ultrasound and computerized tomography (CT) of the orbits.
(20) The advances in lid and orbital surgery are due to the improvements made in diagnostic equipment and to technical refinements.