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(trans'shĕnt, -sē-ĕnt),
1. Short-lived; passing; not permanent; said of a disease or an attack.
2. A short-lived cardiac sound having little duration (less than 0.12 seconds) as distinct from a murmur; for example, first, second, third, and fourth heart sounds, clicks, and opening snaps.
[L. transeo, pres. p. transiens, to cross over]
Farlex Partner Medical Dictionary © Farlex 2012


Sleep disorders The perceived or actual inability to sleep one's usual amount of time; a condition characterized by any combination of difficulty with falling asleep, staying asleep, intermittent wakefulness, and early-morning awakening; episodes may be transient, short-term–lasting 2 to 3 wks, or chronic Triggers Illness, depression, anxiety, stress, poor sleep environment, caffeine, abuse of alcohol, heavy smoking, physical discomfort, daytime napping, medical conditions, poor sleep habits–eg, early bedtime, excessive time awake in bed Examples Psychophysiologic–learned insomnia, delayed sleep phase syndrome, hypnotic dependent sleep disorder, stimulant dependent sleep disorder. See Circadian rhythm, Conditioned insomnia, Familial fatal insomnia, Jet lag, Pseudoinsomnia, Rebound insomnia, REM sleep, Sleep disorder, Sleep-onset insomnia.
Chronologic classification
• Transient–eg, 'jet lag'; does not require treatment
• Short term < 3 weeks in duration, due to travel to high altitudes, grieving loss of loved one, hospitalization, pain
• Long term > 3 weeks in duration, eg related to medical, neurologic or psychiatric disorders or addiction
• Pharmacologic Due to coffee, nicotine, alcohol
• Rebound (withdrawal) Related to abrupt discontinuation of hypnotic drugs
• Delayed sleep phase Due to shift work, chronic pain, sleep apnea and restless leg syndrome


Baldness Dermatology
1. Loss or absence of hair on the scalp.
2. Baldness, see there See Hair replacement, Hot comb alopecia, Moth-eaten alopecia.
Alopecia types
Male pattern
On the front and top–blame mother
Alopecia areata–blame mother, angry lover
Related to RT–blame radiation oncologist
Alopecia capitis totalis–blame mother
Due to chemotherapy—cyclophosphamide, cytosine arabinoside, doxorubicin–blame oncologist
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


1. Short-lived; not permanent.
2. A short-lived cardiac sound of short duration as distinct from a murmur.
[L. transeo, pres. p. transiens, to cross over]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(trans'shĕnt, -sē-ĕnt)
Short-lived; passing; not permanent.
[L. transeo, pres. p. transiens, to cross over]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
AtT20 cells transiently transfected with 300 ng full length rPomc-Luc (-703/+58-luc) and 100 ng pRSV-[beta]-gal were treated with MEKT1, rosiglitazone (Rosi), and pioglitazone (Pio) (1 nM, 10 nM, 100 nM, 1 [micro]M, or 10 [micro]M) or 0.1% DMSO (vehicle control) for 24 hours.
Quantitative reverse transcription RT-PCR (qRT-PCR) analysis of relative Pod-1/[beta]-actin mRNA levels in primary rat adrenal glomerulosa cells (G cells) and fasciculata/reticularis cells (F/R cells) that had been transiently transfected with the empty vector pCMVMyc or with pCMVMycPod-1.
In this study AC-ELISA was found unable to detect transiently infected animals as a complete agreement between first and follow up testing was observed confirming that these animals were truly PI animals rather than acute transient infections (Table1) and this was also proved by real time PCR on serum samples.
A C-terminal fusion of the full-length coding region of AtCslA2 to the green fluorescent protein (GFP) was constructed and transiently expressed in tobacco leaf protoplasts to investigate its subcellular localization.
A drug that blocks the effects of excess glutamate has shown some success in transiently improving symptoms of moderate to severe AD, but does not halt cognitive decline.
When compared with women who had used bisphosphonates transiently during the study period (less than 100 days in total), women who used the medication for 5 years or longer had an increased risk of subtrochanteric or femoral shaft fracture, the authors concluded.
Plasma estradiol and dehydroepiandrosterone sulphate concentrations changed only transiently or not at all.
As a result, bulk quantities of assay-ready frozen instant cells which are transiently expressing targets of interest can now be rapidly prepared.
Summary: These are dramatic days in the Arab-Israeli war-and-peace department, but will they prove to be truly historic, or only transiently tumultuous?
TDE with concentrations higher than 10 [micro]g/ml transiently reduced synaptic responses.
The human SERT N101A and N101C mutants were transiently expressed in HEK-293 MSR cells and assayed for [3H]5-HT transport under Na-free and Na-reduced conditions (replaced with N-Methyl-D-Glucamine (NMDG)).
Mr Lewis added: "It is recognised that some traders operate transiently in order to avoid detection and prosecution.