... struc-ture of the trunk was confirmed at the wood level. The spacing of parenchymabands, the radial enlargment of wood fi-bres and parenchyma cells, the wall thick-ness of ... in the number of cells per unitarea (fig 5B).These 2 types of concentric and repeat-ed variations - in the spacing of parenchy-ma bands and in the intensity of staining ... studies of the wood, 2 kinds of sample were collected in the middle part of each unit of extension, beneath the tier of branches: discs and cores. Firstly, the 2-3-cmlong...
... of human and ratCB1receptor. The CB2antibody was raised against asequence between the N-terminal andthe first trans-membrane domain ofthe protein ofthe human and ratCB2receptor. The ... inactivation of anandamide and, tosome extent, 2-AG [35,36].Dendritic cells, derived from bone marrow stem cells, are the most potent antigen-presenting cellsofthe immune system. They play a ... not expressed in the brain. High CB2expression is observed in B cellsand innatural killer cells, and may be related to the establishedalteration ofthe function of these cells by cannabinoids.CB2is...
... interaction between the ongoing contraction process ofthe cardiac muscles andthe properties ofthe arterial systemand is beyond the scope of this lecture. As the contraction process ofthe cardiac ... contraction and instantaneous atrial volume). The pressure ofthe point at the bottom right corner ofthe loop is the pressure in the ventricle at the end ofthe cardiac cycle and is called the end-diastolic ... understanding and will be the focus and repeating theme throughout the text. A sound understanding of cardiac physiology begins with basic understanding of cardiac anatomy andof the physiology of muscular...
... in the compliance ofthe chest wall, the lung, andthe respiratory system between an ‘‘ideal’’ 20-year-old (A) and a 60-year-old subject (B). Note increase in RV and FRC and decrease in slope of pressure-volume ... chest-wallcompliance, and increase in functional residualcapacity (FRC) resulting from decreased elastic recoil of the lung (Fig. 2) [9]. The kyphotic curvature of the spine andthe anteroposterior diameter ofthe ... ity-basedaging ofthe respiratory system 483 by the same group, based on a larger communitysample of 4581 persons ages 65 and older, reports anupper limit of normal of 29% for PEF lability. A cut-off...