What's the difference between autogenous and exogenous?

Autogenous


Definition:

  • (a.) Self-generated; produced independently.
  • (a.) Developed from an independent center of ossification.

Example Sentences:

  • (1) As with alloplastic orbital implant extrusions in enucleated sockets, autogeneous dermis fat grafts can be useful in managing extrusions in previously eviscerated sockets.
  • (2) Results suggest that nerve regeneration through an autogenous graft is significantly improved by local treatment with triamcinolone acetonide.
  • (3) It was treated by the method of free autogenous gingival graft on the labial side and gingivectomy by flap on the palatal side.
  • (4) These ceramics can be used as augmentation material in combination with autogenous bone.
  • (5) Percutaneous balloon catheter dilation appears to be an effective method of treating stenosis in autogenous vein grafts and a useful alternative to surgical revision.
  • (6) Autogenous Aedes (Ochlerotatus) caspius Pallas from Aswan deposits 1 to 2 egg batches without a blood meal.
  • (7) Estrous cycles were not disrupted by removal of the autogenous ovaries 8 wk after the grafting, indicating that grafted ovaries began functioning before or within days after ovariectomy.
  • (8) Autogenous jugular vein is favored for creation of the shunt.
  • (9) By contrast with preparations of extracellular species of CD23 which were seen to be variable in their biological activity, cell-associated CD23 was consistently mitogenic both for autogenous transformed B lymphoblasts and for pre-activated normal B cells.
  • (10) Durability of surgical reconstruction was improved if autogenous saphenous vein was used and if the reconstruction was performed before development of complications.
  • (11) The research investigated the autogenic training (AT) immediate effects, analysing the emotional reactions of patients during their learning of the AT standard exercises.
  • (12) Polytetrafluoroethylene-composite grafts (n = 87) and human umbilical vein-composite grafts (n = 21) were placed only in patients lacking suitable autogenous material for in-line reconstruction.
  • (13) Catamnesis after one year (n = 40): Absence from work in a twelve-month period was 663 days prior to autogenic training and 77 days (11.6%) subsequent to autogenic training.
  • (14) Data on several facultatively autogenous species are discussed qualitatively and quantitatively to demonstrate the utility of our model in considering the evolution of autogeny and the autogeny rate.
  • (15) Twelve adult rhesus monkeys underwent bilateral resection of a portion of the peroneal nerve followed by placement of autogenous sural nerve interposition fascicular grafts.
  • (16) A technique of one-stage autogenous bone grafting and submucous vestibuloplasty for reconstruction of the atrophic maxillary alveolar ridge has been presented.
  • (17) The biological and biomechanical properties of normal fibulae, fibulae that had had a sham operation, and both vascularized and non-vascularized autogenous grafts were studied in dogs at three months after the operation.
  • (18) The autogeneic fibula dove-tailed strut graft is favored over an iliac crest bone graft because with multilevel decompression in the cervical spine, it provided structural stability and a high union rate.
  • (19) Cyanogen bromide cleavage peptides showed appropriate collagen formed by unstressed autogenous tendon transplants removed from rabbit knees up to 2 years from transplantation.
  • (20) Curettage of the radial lesion and packing it initially with autogenous iliac bone graft and subsequently with methylmethacrylate bone cement were followed by local recurrences.

Exogenous


Definition:

  • (a.) Pertaining to, or having the character of, an exogen; -- the opposite of endogenous.
  • (a.) Growing by addition to the exterior.
  • (a.) Growing from previously ossified parts; -- opposed to autogenous.

Example Sentences:

  • (1) We have investigated a physiological role of endogenous insulin on exocrine pancreatic secretion stimulated by a liquid meal as well as exogenous secretin and cholecystokinin octapeptide (CCK-8) in conscious rats.
  • (2) The RNA polymerase activity was tested after the solubilization and chromatographic resolution of the three types of polymerases with exogenous template.
  • (3) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
  • (4) Exogenous administration of estrogen alone or combined with progesterone have been associated with increased plasma cortisol levels.
  • (5) We conclude that both exogenously applied PAF by inhalation and antigen exposure are capable of inducing LAR in sensitized guinea pigs, and thus the priming effect of immunization and PAF may contribute to the development of LAR observed in asthma.
  • (6) The following model is suggested: exogenous ATP interacts with a membrane receptor in the presence of Ca2+, a cascade of events occurs which mobilizes intracellular calcium, thereby increasing the cytosolic free Ca2+ concentration which consequently opens the calcium-activated K+ channels, which then leads to a change in membrane potential.
  • (7) Exogenous rIL-2 restored T-cell proliferation only in the salivary gland cultures of this patient.
  • (8) Insulin incubation of plasma membranes pretreated with protease inhibitors (leupeptin, phenylmethylsulfonylfluoride) or with exogenous trypsin, but not chymotrypsin substrates (esters of arginine and tyrosine) yields an inactive supernatant on PDH.
  • (9) Furthermore, exogenous IL-1, IL-2, IL-4, interferon-gamma, or a rat Con A supernatant failed to abrogate DFMO inhibition.
  • (10) The influence of exogenous mitogens (RFG, TGF beta 1 and insulin) and autocrine factor (at different step of purification) on the growth of Morris hepatoma 7777 (MH) cells was estimated by both methods.
  • (11) However, when beta-xyloside-treated cultures were supplied with exogenous basement membrane, Schwann cells produced numerous myelin segments.
  • (12) The PC modification was affected by the fatty acid composition of the exogenous PC species.
  • (13) The influence of exogenous gangliosides on the structure of the viral envelope was studied using fluorescent and photoactivatable phospholipids incorporated into the viral membrane.
  • (14) Unlike previous studies where constitutive expression of exogenous IL-6 genes resulted in lymphoproliferative disorders characterized by massive plasmacytosis, minimal plasma cell expansion occurred in the MSCV-IL-6 mice during the observation period.
  • (15) The recovery of the exogenously added LTC4 with eosinophils was greater than 90% in both the presence and the absence of calcium ionophore A23187.
  • (16) Submaximal contractions of the bronchial muscle evoked by exogenous substance P (2 X 10(-7)M) were less potently inhibited by these drugs than those evoked by exogenous acetylcholine (2 X 10(-6)M).
  • (17) Thus, microfilariae can not only incorporate exogenous arachidonic acid, as previously demonstrated, but can also synthesize arachidonic acid from exogenous linoleic acid.
  • (18) The rate of removal of exogenous PGE2 in the hind limb circulation was not influenced by HC, suggesting that the diminution of PG release by HC results from the suppression of PG generation rather than from the enhancement of degradation.
  • (19) Exogenous activators of PKC stimulate insulin secretion from B cells, but attempts to define a physiological role for PKC by using inhibitors of this enzyme have produced ambiguous results.
  • (20) Mifepristone is an effective abortifacient in combination with an exogenous prostaglandin but its mechanism of action is unknown.

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