What's the difference between stem and theme?

Stem


Definition:

  • (v. i.) Alt. of Steem
  • (n.) Alt. of Steem
  • (n.) The principal body of a tree, shrub, or plant, of any kind; the main stock; the part which supports the branches or the head or top.
  • (n.) A little branch which connects a fruit, flower, or leaf with a main branch; a peduncle, pedicel, or petiole; as, the stem of an apple or a cherry.
  • (n.) The stock of a family; a race or generation of progenitors.
  • (n.) A branch of a family.
  • (n.) A curved piece of timber to which the two sides of a ship are united at the fore end. The lower end of it is scarfed to the keel, and the bowsprit rests upon its upper end. Hence, the forward part of a vessel; the bow.
  • (n.) Fig.: An advanced or leading position; the lookout.
  • (n.) Anything resembling a stem or stalk; as, the stem of a tobacco pipe; the stem of a watch case, or that part to which the ring, by which it is suspended, is attached.
  • (n.) That part of a plant which bears leaves, or rudiments of leaves, whether rising above ground or wholly subterranean.
  • (n.) The entire central axis of a feather.
  • (n.) The basal portion of the body of one of the Pennatulacea, or of a gorgonian.
  • (n.) The short perpendicular line added to the body of a note; the tail of a crotchet, quaver, semiquaver, etc.
  • (n.) The part of an inflected word which remains unchanged (except by euphonic variations) throughout a given inflection; theme; base.
  • (v. t.) To remove the stem or stems from; as, to stem cherries; to remove the stem and its appendages (ribs and veins) from; as, to stem tobacco leaves.
  • (v. t.) To ram, as clay, into a blasting hole.
  • (v. t.) To oppose or cut with, or as with, the stem of a vessel; to resist, or make progress against; to stop or check the flow of, as a current.
  • (v. i.) To move forward against an obstacle, as a vessel against a current.

Example Sentences:

  • (1) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
  • (2) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
  • (3) The examination of the standard waves' amplitude and latency of the brain stem auditory evoked response (BAEP) was performed in 20 guinea pigs (males and females, weighing 250 to 300 g).
  • (4) A previous trial into the safety and feasibility of using bone marrow stem cells to treat MS, led by Neil Scolding, a clinical neuroscientist at Bristol University, was deemed a success last year.
  • (5) Proliferation of quiescent hematopoietic stem cells, purified by cell sorting and evaluated by spleen colony assay (CFU-S), was investigated by measuring the total cell number and CFU-S content and the DNA histogram at 20 and 48 hours of liquid culture.
  • (6) The last stems from trends such as declining birth rate, an increasingly mobile society, diminished importance of the nuclear family, and the diminishing attractiveness of professions involved with providing maintenance care.
  • (7) Following BHT administration, the alveolar stem cells (type II pneumocytes) proliferate and differentiate according to a biphasic pattern, with proliferative peaks at d 3 and 7.
  • (8) In testing the contribution of the long, curved stem to the torsional stability of uncemented prostheses by comparing it with other stems, the long, curved stem was the most stable, followed by a shorter straight stem, and a short, proximally curved stem.
  • (9) For example, stem pairing with a sequence other than wild-type resulted in normal protein binding in vitro but derepression of protein synthesis in vivo.
  • (10) These results indicate that this population (approximately 0.1% of bone marrow) may contain the pluripotent hematopoietic stem cell.
  • (11) Brain-stem CBF varied the most but did not correlate with clinical signs of brain-stem dysfunction.
  • (12) We infer from these results that endotoxin ameliorates the cyclical changes in blood cell counts by regulating hematopoietic proliferative activity at the stem cell level.
  • (13) The effects of inhibitors of aldehyde dehydrogenase activity on the sensitivity of murine pluripotent hematopoietic stem cells to oxazaphosphorine anticancer agents, e.g.
  • (14) Three strains of fluorescent pseudomonads (IS-1, IS-2, and IS-3) isolated from potato underground stems with roots showed in vitro antibiosis against 30 strains of the ring rot bacterium Clavibacter michiganensis subsp.
  • (15) This has stemmed from an inadequate understanding of the mechanisms involved in the formation and propagation of this condition.
  • (16) We therefore think that the detailed examination of CALLA(-) non-T non-B ALL cells using myeloid specific antibodies is helpful in clarifying the characteristics of myeloid precursors and the common bipotential stem cell of lymphoid and myeloid progenitors.
  • (17) Imaging studies had shown no change in his brain stem lesion, which at autopsy was found to be a focal collection of fibrillary astrocytes.
  • (18) These cells were hypothesized to be the stem cells for the corneal epithelium.
  • (19) Auditory brain stem potentials (ABP) were recorded in 27 patients with Bell's palsy during the early phase of the disease and 1-3 months later.
  • (20) The results indicate that stimulation of trigeminal subnucleus caudalis, a brain stem region that processes nociceptor afferent information, evokes a prompt increase in plasma ACTH.

Theme


Definition:

  • (n.) A subject or topic on which a person writes or speaks; a proposition for discussion or argument; a text.
  • (n.) Discourse on a certain subject.
  • (n.) A composition or essay required of a pupil.
  • (n.) A noun or verb, not modified by inflections; also, that part of a noun or verb which remains unchanged (except by euphonic variations) in declension or conjugation; stem.
  • (n.) That by means of which a thing is done; means; instrument.
  • (n.) The leading subject of a composition or a movement.

Example Sentences:

  • (1) A world conference in Edinburgh during August 1988 will have the theme.
  • (2) That, roughly, was the theme of the Wednesday Play, Cathy Come Home, (BBC1) directed by Kenneth Loach, produced by Tony Garnett.
  • (3) as well as nauseatingly hipster titbits – "They came up with the perfect theme (and coined a new term!
  • (4) Sometimes it can seem as if the history of the City is the history of its crises and disasters, from the banking crisis of 1825 (which saw undercapitalised banks collapse – perhaps the closest historic parallel to the contemporary credit crunch), through the Spanish panic of 1835, the railway bust of 1837, the crash of Overend Gurney, the Kaffir boom, the Westralian boom, the Marconi scandal, and so on and on – a theme with endless variations.
  • (5) By no means is this a new theme, but it has taken on an added sharpness and urgency after the conferences.
  • (6) An obsessional artist who was an enemy of all institutions, cinematic as well as social, and whose principal theme was intolerance, he invariably gets delivered to us today by institutions - most recently the National Film Theatre, which starts a Dreyer retrospective this month - that can't always be counted on to represent him in all his complexity.
  • (7) Read more Clinton spoke before more than a thousand supporters on Saturday at a launch event for “Women for Hillary” in New Hampshire, touching upon many of the familiar themes of her presidential campaign – equal pay for women, paid family leave, raising the minimum wage.
  • (8) The Christmas theme doesn't end there; "America's Christmas Hometown" also has Santa's Candy Castle, a red-brick building with turrets that was built by the Curtiss Candy Company in the 1930s and sells gourmet candy canes in abundance.
  • (9) Similar paradoxes bedevilled all the other chief themes.
  • (10) Synthesis and discussion is focused on five major areas in which gerontological continuity and change are evidenced: 1) transformation of basic themes over time; 2) gerontology's identity crisis; 3) the social ideology of gerontology; 4) evolution and refinement of gerontological ideas and methods; and 5) temporal frameworks.
  • (11) A key theme is expected to be that early intervention at every stage of life can prevent society having to continue "paying for the costs of failure".
  • (12) One constant theme is the wish for the Dalai Lama to return."
  • (13) The national anthems Nothing to say about the Indian anthem, but the New Zealand one sounds like the theme tune for an 1960s ATV variety spectacular.
  • (14) Ever since the ex-PD leader Walter Veltroni started praising President Kennedy as a way to jettison communism, this has been an abiding theme, manifesting itself institutionally in the desperate attempt to engineer a US-style two-party system through breathtakingly inept electoral reforms – the latest one, the " Porcellum " (after porcello, swine), was behind the impasse earlier this year.
  • (15) Ladybird: I’m Ready to Spell has a space theme, and is based on the phonics that kids will be learning in their first years at school.
  • (16) Bleak jokes and cartoons have been circulating for weeks in the anti-Assad camp on the theme of barrel bombs serving as ballot boxes.
  • (17) Redesigning the dream was identified as the integrative theme in the substantive theory that described how family members gradually modify their beliefs about organ transplantation and develop attitudes and beliefs to meet the challenge of living with continual unpredictability.
  • (18) Oil operators, large and small, are very keen to address the key themes of the waste hierarchy.
  • (19) And they kept coming … the hilarious Octodad: Dadliest Catch , the chilling psychological horror game Daylight , which again, uses procedural generation to create new environments (procedural content is another next-gen theme); and Galak-Z from 17bit Studios, described as an AI and physics-driven open-world action game.
  • (20) Cross-sectional as well as longitudinal comparisons indicated that the subjective sexual arousal elicited during fantasy depicting specific themes was stable across the menstrual cycle.