Difference between revisions of "Veterinary Education Online"

Revision as of 11:42, 10 November 2008

Welcome to WikiVet,

A collaborative initiative between the UK Vetschools to develop a comprehensive on-line veterinary knowledge base.

5,936 articles.

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Covers the undergraduate veterinary pathology curriculum.

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Information about veterinary bacteriology, virology and parasitology.

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Information about veterinary anatomy, histology and physiology.

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Information about the components of blood and associated immunological diseases.

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Clinical information.

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Information about Veterinary Public Health.

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Information about Pharmacology and Therapeutics.

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A working glossary for Wiki editors.

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Access to a range of on-line courses, videos and images.

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For veterinary educators to collaborate and share expertise.

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WikiNews

23rd October 2008 - WikiDrugs Ready for Population

14th October 2008 - WikiClinical Ready for Population

All the WikiClinical stub pages are now in place. Please feel free to start populating these pages with lots of clinical knowledge. If you are having trouble editing pages please refer back to our help pages.

9th October 2008 - The Wiki is Launched

Attendees of the WikiVet Launch

The WikiVet project was officially launched at MEDEV, Newcastle University. People from varying aspects of the Veterinary, Educational, Pharmaceutical and Medical professions attended the conference. Five people also attended the virtual conference, which made for an exciting yet interactive session. We feel that the launch was a great success and look forward to watching WikiVet grow.

Article of the Week - Process of Micturition

File:Sumlutshcemtri.jpg.

A schematic overview of the lower urinary tract showing the nerves and muscles involved in micturition

Micturition is the normal process of the passive storage and active voiding of urine.

After entering the renal pelvis the modification of the urine is over in all domestic species other than the horse where mucin is added. The urine passes along the ureters and enters the bladder. It is here that the urine is stored until it is to be voided. Urine is not constantly excreted and it is only when there is a significant amount present in the bladder that the process of voiding occurs. Both the Bladder and the Urethra have smooth muscle and thus receive autonomic influence with regard to their activity. However the urethra also has an element of skeletal muscle giving the animal some degree of conscious control over the voiding of urine.

Sensory Innervation

The bladder has stretch receptors (alpha receptors in the neck and trigone, and beta receptors in the body) which detect fullness of the bladder. These impulse to the pelvic nerves and so to the sacral spinal cord. The urethra has afferents detecting flow, distension and pain that go via the pudendal nerve to the sacral cord.

Central Intregration

The co-ordination of the urethralis and detrusor muscles from information recieved from the stretch receptors occurs in the pons. This micturition centre also branches to the thalamus, cerebellum and cerebral cortex. It is the cerebral cortex that is responsible for voluntary control of micturition.

Click here to read more

This project is funded by JISC and the Higher Education Academy.

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-<h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Article of the Week - [[Feather - Anatomy & Physiology|Feather]]</h2>
+<h2 style="margin:0; background:#cedff2; font-size:120%; font-weight:bold; border:1px solid #a3b0bf; text-align:left; color:#000; padding:0.2em 0.4em;">Article of the Week - [[Process of Micturition - Anatomy & Physiology|Process of Micturition]]</h2>
 |-
 |style="color:#000;"|
-[[image: Parts of the Feather.jpg|thumb|250px|right|Parts of a Contour Feather:
+[[image: sumlutshcemtri.jpg.|thumb|250px|right|A schematic overview of the lower urinary tract showing the nerves and muscles involved in micturition]]
-<br/>1. Vane<br/>2. Rachis<br/>3. Barb<br/>4. Afterfeather<br/>5. Calamus]]
+'''Micturition is the normal process of the passive storage and active voiding of urine.'''
-Feathers are one of the epidermal growths that form the distinctive outer covering, or '''plumage''' of birds.  They are the outstanding characteristic that distinguishes the Class '''Aves''' from all other living groups.
-==Structure & Function==
+After entering the renal pelvis the modification of the urine is over in all domestic species other than the horse where mucin is added.  The urine passes along the [[Ureters - Anatomy & Physiology| ureters]] and enters the [[Urinary Bladder - Anatomy & Physiology|bladder]].  It is here that the urine is stored until it is to be voided.  Urine is not constantly excreted and it is only when there is a significant amount present in the bladder that the process of voiding occurs.  Both the [[Urinary Bladder - Anatomy & Physiology| Bladder]] and the [[Urethra - Anatomy & Physiology| Urethra]] have smooth muscle and thus receive autonomic influence with regard to their activity.  However the urethra also has an element of skeletal muscle giving the animal some degree of conscious control over the voiding of urine.
-'''Principal functions:'''
-*Flight
-*Insulation
-*Waterproofing
-'''Additional functions'''
+===Sensory Innervation===
-*Courtship displays
+The bladder has stretch receptors (alpha receptors in the neck and trigone, and beta receptors in the body) which detect fullness of the bladder. These impulse to the pelvic nerves and so to the sacral spinal cord. The urethra has afferents detecting flow, distension and pain that go via the pudendal nerve to the sacral cord.
-*Defence
-Cryptic colouring (camouflage)
-Colour mimicking
+===Central Intregration===
+The co-ordination of the urethralis and detrusor muscles from information recieved from the stretch receptors occurs in the '''pons'''. This micturition centre also branches to the thalamus, cerebellum and cerebral cortex. It is the cerebral cortex that is responsible for voluntary control of micturition.
-Dominance/subdominance conflicts
-*Aggressive territorial behaviour
+[[Process of Micturition - Anatomy & Physiology|Click here to read more]]
-In most birds, the body is divided into areas that contain feather ''tracts'', '''pterylae''' and areas that do not, '''apteriae'''.  The location and the number of tracts varies between species.  By originating from tracts rather than being randomly distributed, feathers can smoothly overlap and conform to the natural contours of the body.  By laying feathers over apteriae, air can be trapped beneath, providing [[Thermoregulation in Skin - Anatomy & Physiology|insulation]].
-[[Feather - Anatomy & Physiology|Click here to read more]]
 |}
 |-