Dictionary » I » Irritability




(physiology) The ability of the cell to receive and respond to a stimulus.

(pathology) The excessive sensitivity of a bodily organ or part to a stimulus; undue susceptibility to the influence of a stimulus.

(general) The quality or state of being irritable.


In physiology, irritability is exhibited by certain cells, such as muscle cells, neurons, and endocrine cells.

Word origin: From Latin irritabilitas
Related forms: irritable (adjective)


See also: irritation

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum

Whar is hyper irritability?

What is hyper irritability & What are its symptoms in human beings?

See entire post
by kumar985
Thu Nov 15, 2012 1:19 pm
Forum: General Discussion
Topic: Whar is hyper irritability?
Replies: 0
Views: 1032


... another sick biology question - "which of the following is a biological process but not a characteristics of living organisms?" A. Irritability B. Memory C. Excretion D. Observation I am pretty sure that A and C is not the answer but how about "Memory" and "Observation"?? ...

See entire post
by kenny1999
Fri Oct 30, 2009 5:46 pm
Forum: General Discussion
Topic: multiple choice questions
Replies: 7
Views: 6562

Re: Stomach bloating and weight gain

... as persistent physical fatigue, the presence of constant headaches, the loss of memory, a very poor ability to concentrate and constant emotional irritability. The anti-inflammatory compounds such as prednisone, prednisolone, dexamethasone and betamethasone are commonly used and prescribed corticosteroid ...

See entire post
by Jennuan
Wed Oct 29, 2008 4:21 am
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2911113

Re: Stomach bloating and weight gain

... loss, thinning hair, • Headaches, migraines, • Heart palpitations, • Heavy or light periods, • Hot flashes, • Incontinence, • Irregular periods, • Irritability, inability to handle stress, • Lack of concentration, foggy, fuzzy thinking, • Leg cramps, • Low metabolism, • Lower sex drive, loss of ...

See entire post
by MichaelXY
Sat Oct 18, 2008 9:12 pm
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2911113

life and non-life...

... share basic characteristics, including the following: - Responsiveness - Organisms can respond to changes in the environment, this is called irritability. - Growth and *most of the time* differentiation - Organisms can grow larger by increasing the number of cells. Individual cells withon ...

See entire post
by dan167
Fri Aug 17, 2007 8:37 am
Forum: General Discussion
Topic: life and non-life...
Replies: 17
Views: 10871
View all matching forum results

This page was last modified 15:56, 12 February 2009. This page has been accessed 36,293 times. 
What links here | Related changes | Permanent link