Branches are endogenous i.e. Factors associated with increased frontal hair loss included multiple marriages (p = 0.043); longer sleep duration (p = 0.011); higher severity of stress (p = 0.034); positive smoking history (p = 0.021); higher income (p = 0.023); absence of hat use (p = 0.017); and history of diabetes mellitus (p = 0.023), polycystic ovarian syndrome (p = 0.002), and hypertension (p = 0.001). restored by treatment with exogenous ABA, even Paradoxically, ABA-deficient mutants are often shorter though improvement in leaf water potential was pre- and exhibit smaller leaves compared with the correspond-vented. SHOOT FORMATION IN PINEAPPLE CULTURED IN VITRO Braz. Stem hairs work in preventing water loss from the stem surface; they have thick cell walls and long life span than shoot hairs. Hair loss measures were then correlated with survey responses and testosterone levels between twin pairs. The key difference between endogenous and exogenous antigens is that the endogenous antigen is generated within the cells while the exogenous antigen enters the body from the outside.. Antigen is a molecule or a substance that reacts to a product of a specific immune response and stimulates antibody generation. Increased stress, increased smoking, having more children, and having a history of hypertension and cancer were all associated with increased hair thinning (p < 0.05). 1.) Exogenous administration of Put at a concentration of 40 mM resulted in maximum tissue response in terms of shoot numbers (34.6 ± 2.61) and shoot lengths (7.6 ± 0.57 cm) on MS media supplemented with 2-iP … The endogenous amount in "blank" hair was estimated by the standard addition method. Root cap region ; Region of the meristematic zone (region of cell formation) Region of cell elongation ; Region of cell differentiation (Root Hair Zone) ii) Types of root . Clipboard, Search History, and several other advanced features are temporarily unavailable. OBJECTIVES • describe how magma forms; • describe what happens after the magma is formed; • describe the changes in mineral components and texture of rocks due to changes in pressure and temperature; • compare and contrast the formation of the different types of igneous rocks; Liu MT, Iglesias RA, Sekhon SS, Li Y, Larson K, Totonchi A, Guyuron B. Plast Reconstr Surg. Results: 200 mg) from shoot bases (0.5 cm) after homogenization were extracted with 2 mL of 80% aqueous ethanol, then centrifuged at 833 g for 10 min. This is a preview of subscription content, log in to check access. Instant access to the full article PDF. Endogenous processes on earth 1. Lateral roots arise from the root which are endogenous in origin. Root hairs absorb water and minerals from the soil . Hair loss, insulin resistance, and heredity in middle-aged women. The contribution of endogenous and exogenous factors to male alopecia: a study of identical twins. Hair is an emerging biological matrix in which to measure chronic HPA axis activity, offering a longer term view into an animal’s life. Conclusion: Background: shoot axis) is applied to a photosynthetic body that develops exogenous leaves (Figs 2B, ,3E, 3E, ,F, F, ,4D, 4D, ,E E and and6C). Exogenous means root hairs are derived or originates externally from an organism, tissue, or cell. Cellular changes induced by exogenous and endogenous gibberellins in shoot tips of the long-day plant Silene armeria Manuel Talon1, Francisco R. Tadeo2, and Jan A.D. Zeevaart1* 1 Michigan State University-Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824-1312, USA, and 2 I.N.R.A. Maths. Exogenous Depression . ments with flacca showed that shoot growth substan- endogenous ABA (Trewavas and Jones, 1991; Sharp tially recovered when wild-type levels of ABA were et al., 1994). A 3-month, randomized, double-blind, placebo-controlled study evaluating the ability of an extra-strength marine protein supplement to promote hair growth and decrease shedding in women with self-perceived thinning hair. 2015 referenced below) employ DD without a real exogenous shock. 2015;2015:841570. doi: 10.1155/2015/841570. PDR1 overexpression induces root hair elongation independently of the soil nutrient conditions Root hairs contribute to nutrient uptake, especially of phosphate, nitrogen and water (Olah et al., 2005).  |  Jahirul Mazumder, Meritnation Expert added an answer, on 8/3/14 Here endogenous means lateral roots are derived or originates from within an organism, tissue, or cell. Endogenous variable: A factor in a causal model or causal system whose value is determined by the states of other variables in the system; contrasted with an exogenous variable. In the case of vision, exogenous influences are strong when an object is very well illuminated, is sitting still, and stands out from its surroundings. The relationship between fluidity of lipids extracted and hair fiber water diffusion were established. These basically arise from the region of elongation. 2013 May;131(5):794e-801e. C.R. Plant Physiol., 15(2):107-112, 2003 107 Endogenous auxin and cytokinin contents associated with shoot formation in leaves of pineapple cultured in vitro Helenice Mercier1*, Beatriz Maia Souza2, Jane Elizabeth Kraus2, Regina Mayumi Hamasaki2 and Bruno Sotta3 1Departamento de Botânica, Instituto de Biociências, Universidade de … Origin of lateral roots is endogenous (originating from inner layers) The shoot hairs prevent evaporation of water from the surface of the stem. Ninety-eight identical female twins were recruited from 2009 to 2011. 25 Usually, the decisive factor arises to the economic growth in the endogenous variable, but, under the terms of certain, the leading economic growth in exogenous variable. The roots of Podostemum ceratophyllum (Figures 1, 2) are green, thread-like structures that attach to submersed rocks. Matilainen V, Laakso M, Hirsso P, Koskela P, Rajala U, Keinänen-Kiukaanniemi S. J Cardiovasc Risk. Suppose a cotton thread plant produces a certain amount of cotton. Exogenous means the parts that originate from outside. Examples of endogenous in a sentence, how to use it. Knowing your prefix’s in a science environment can go a long way in helping you figure some of this out. The origin of lateral roots and root hairs is endogenous and exogenous respectively. disease, behaviour) stressors on hair cortisol concentration (HCC) in a population of Border Collies (BCs). The influence of putrescine (Put) and AgNO(3) on shoot multiplication, in vitro flowering and endogenous titers of polyamines in Cichorium intybus L. cv. Exogenous vs. Endogenous variables Consider a potential criminal. Share with your friends. L. Coderch. Just a quick explanation. Exogenous and endogenous lipids of human hair. We explored effects of exogenous (e.g. Gatherwright J, Liu MT, Amirlak B, Gliniak C, Totonchi A, Guyuron B. Plast Reconstr Surg. Basically, these papers (e.g., Francis et al. Endogenous are dependent variable (DV) that we want to explain. Corresponding Author. Ann Dermatol Venereol. (1997) analysed the states of competence, induction and differentiation associated with the direct shoot regeneration system using leaf explants of a. Start studying Endogenous and Exogenous Factors. Here endogenous means lateral roots are derived or originates from within an organism, tissue, or cell. Endogenous carbohydrates were also determined in shoot bases on day 30 during rooting in vitro. However, the more basal position of mid-stem rhizoids in the mutant lines might be a consequence of reduced auxin levels at least in the apical axillary hair-dense part of the leafy shoot, as exogenous auxin induces a more apical positioning of mid-stem rhizoids in wild-type gametophores (Sakakibara et al., 2003). 2003 Jun;10(3):227-31. doi: 10.1097/01.hjr.0000070200.72977.c6.  |  Semin Cutan Med Surg. Similarly, exogenous application of SLs inhibited shoot branching and growth of axillary buds [41, 53]. Exogenous ABA inhibited the callus growth and shoot regeneration independent of light conditions in all cultivars. Endogenous levels of indole-3-acetic acid (IAA) were determined in the internodal explants of Indian tetraploid potato cultivars (cvs) viz., Kufri Sutlej (K.Sutlej) and Kufri Giriraj (K.Giriraj). document.write('This conversation is already closed by Expert'); Endogenous substances are those that originate from within an organism, tissue, or cell. J. why The origin of lateral roots and root hairs is endogenous and exogenous respectively - Biology - Morphology of Flowering Plants 0 0 0 0. Exogenous and endogenous lipids of human hair ConclusionsThe relationship between fluidity of lipids extracted and hair fiber water diffusion were established. The Endogenous and exogenous processes of the Earth Are given because our planet is made up of many different geological processes.. For example, a person may feel persistently sad after the death of a loved one or struggle with guilt and feelings of worthlessness after losing their job. 2.3 Rooting and root hair Research has shown that SLs boost elongation of primary roots and root hairs [ 54 ], but repress the formation of lateral roots [ 55 ]. The processes that are caused by forces inside the Earth are called endogenous processes. This study implicates several environmental risk factors in the pathophysiology of female alopecia. Knowing your prefix’s in a science environment can go a long way in helping you figure some of this out. Methods: Exogenous applications of GR24 were shown to induce root hair development in Arabidopsis (Kapulnik et al., 2011). These are exogenous in origin because arise from the superficial layer of the epidermis. NLM Endogenous variables are the opposite of exogenous variables, which are independent variables or outside forces. cultivar ‘Indianapolis’ was evaluated. 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