(n.) A genus of grasses, including a great number of species, as the kinds called meadow grass, Kentucky blue grass, June grass, and spear grass (which see).
Example Sentences:
(1) Gonadectomy has no effect on POA aromatase in the female.
(2) In addition, the warm-responsive neurones in the VMH region exhibited larger thermal coefficients than those in the POA region.
(3) Activity of the aromatase system in the POA, which converts testosterone to 17 beta-estradiol (E2), is increased by systemic androgen.
(4) In contrast, in the preoptic area-anterior hypothalamus (POA-AH) these antisera assayed amounts of LHRH that varied as a function of binding characteristics, although the quantities did not vary with the estradiol treatment schedule.
(5) Interleukin-1 alpha (IL-1 alpha) and interleukin-1 beta (IL-1 beta) are thought to be endogenous pyrogens, i.e., to mediate fever production; warm-sensitive (W) and cold-sensitive (C) neurons in the preoptic area (POA) are presumed to be the ultimate targets of endogenous pyrogens.
(6) One week after the placement of a lesion by radiofrequency or microinjection of kainic acid in the organum vasculosum of lamina terminalis (OVLT) but not in subfornical organ, ACTH response to intravenous IL-1 beta was enhanced, whereas both radiofrequency-induced lesion and kainic acid in the preoptic area (POA) suppressed the response.
(7) Pancreatic oncofetal antigen (POA) and carcinoembryonic antigen (CEA) were determined in plasma of 195 patients with breast cancer and 90 patients with colon carcinoma.
(8) These results show that damage to the AH or AH-POA junction in male marmosets causes a profound suppression of sexual 'arousal' and copulatory behaviour and that such affects are not due to androgen insufficiency or other, non-specific, side effects of neural damage.
(9) The threshold of AD and OD response in POA neurons declined during estrus and proestrus of the estrous cycle and in the Ovx-E group, but increased in the Ovx-P group and during diestrus.
(10) To determine if the median eminence itself could direct the growth of GnRH axons, co-grafts of POA and a fetal medial basal hypothalamic (MBH) block, which was predominantly median eminence, were made.
(11) These results indicate that the inductions of fever and plasma ceruloplasmin by IL6 are, like those of IL1, modulated in the POA, albeit the effective doses are much higher than those of IL1.
(12) Area POa in the lower bank is the recipient of a projection from the rostral inferior parietal lobule.
(13) Each neurotransmitter antagonist was administered via a chronically implanted steel guide tube into either the preoptic area (POA), retrochiasmatic area (RCh), or the median eminence region (ME).
(14) It is apparent from these studies that estrogen appears to activate the neurons of the POA receiving inhibitory synaptic input via the axonal collateral branches of the ARC neurons, and that progesterone seems to activate the neurons of the POA receiving excitatory synaptic input.
(15) In vitro estrogen formation was significantly lower in POA (p less than 0.05) and MBH (p less than 0.01) after castration.
(16) Custer I contained isolates from green healthy leaves of Agrostis tenuis, Festuca rubra, Holcus lanata, Lolium perenne and Poa pratensis, and clusters 2 and 3 consisted of isolates from Holcus lanata seeds and leaves of P. pratensis respectively.
(17) It was subsequently shown that males with a bilaterally lesioned SDN-POA still showed an increase in plasma testosterone.
(18) GnRH fibers projected from the medial POA to a dense fiber plexus in the median eminence (ME).
(19) The hypothalamic preoptic area (POA) was electrically stimulated through permanently implanted electrodes in 4 unanesthetized sheep.
(20) Coronal sections from midportions of the preoptic area (POA), suprachiasmatic nucleus (SCN) and arcuate nucleus (ARC) were examined by quantitative light microscopy in young (5 month) and old (18-20 months) intact mice and in old mice which had been ovariectomized at 6 months of age.
Poh
Definition:
(interj.) An exclamation expressing contempt or disgust; bah !
Example Sentences:
(1) The livers of 15 rabbits were perfused in situ with prednisone (PO) or prednisolone (POH) over a wide range of steady state concentrations, resulting in multiple experimental measurements per organ.
(2) Water-perfused thermodes were chronically implanted around the preoptic nuclei and hypothalamus (POH) of kangaroo rats (Dipodomys ingens).
(3) Ahypothesis accounting for high POH and low peripheral thermosensitivities in small mammals is presented.
(4) All presented with or developed chorioretinal scars or neovascularization similar to that seen in multifocal choroiditis or pseudo POHS.
(5) Herein we describe a patient with POHS in which laser treatment regressed a parafoveal subretinal neovascular membrane.
(6) POH perfusion yielded no detectable PO in the exiting perfusate.
(7) The available fraction of PO from POH averaged 44 per cent at the low infusion rate decreasing to 16 and 20 per cent at the medium and high infusion rates.
(8) Disruption of normal vasculature was seen at mesenteric and antimesenteric sites; ingrowth of vessels, reformation of vascular plexuses, and development of collateral circulation were observed at POH 96.
(9) The therapy of postoperative hypertension (POH) after head and neck surgery was evaluated in a prospective, randomized, double-blind trial.
(10) Bolus doses of POH and PO were also administered to four of the rabbits.
(11) Deposition of new collagen was not appreciable in any section at POH 48 or 96.
(12) The median eminence (ME) and a tissue block containing the preoptic area and hypothalamus (POH) were dissected separately.
(13) The modification of holoenzyme by Br[14C]AcNEtS-Rif in the presence of p-hydroxymercuribenzene sulfonic acid (pOH-HgBzSO3H) or 4 M LiCl occurred with faster kinetics and led to a higher degree of substitution.
(14) It is suggested that a specific site, designated poh+ (permissive on Hfr), is located in this region, and is essential for these plasmids to replicate in Hfr cells.
(15) The authors' first 15 patients with POHS and 19 patients with ARMD were followed for an average of 4 months postoperatively.
(16) There was approximately 1.6-fold more LHRH-like IR in the ME than in the POH.
(17) Presumed ocular histoplasmosis syndrome (POHS) is a commonly observed fungal infection.
(18) These have included the multiple evanescent white dot syndrome, acute macular neuroretinopathy, acute idiopathic blind spot enlargement syndrome, and multifocal choroiditis or pseudo presumed ocular histoplasmosis syndrome (pseudo POHS).
(19) In patients with multifocal choroiditis, presumed ocular histoplasmosis syndrome (POHS) is often diagnosed.
(20) These findings suggest that the presence of peripheral linear streaks cannot be used to differentiate the POHS from MCP.