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Abomasum - Anatomy & Physiology
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The abomasum is the fourth chamber in the ruminant. It functions similarly to the carnivore stomach as it is glandular and digests food chemically, rather than mechanically or by fermentation like the other 3 chambers of the ruminant stomach.

Subject:
Life Science
Anatomy/Physiology
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
Active Transport - Physiology
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Active transport is reliant on carrier proteins and thus follows the same rules as facilitated diffusion in that they are specific have a maximum rate and are subject to competition. Crucially they transport substances against their concentration gradient and so require energy to work.

Subject:
Life Science
Anatomy/Physiology
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Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
Aldosterone
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Aldosterone is a steroid hormone which is secreted from the zona glomerulosa of the adrenal gland. It has a mineralocorticoid activity and is the most important regulator of plasma potassium. When plasma potassium increases, increased stimulation of aldosterone occurs directly and also as a result of the Renin-Angiotensin-Aldosterone System (RAAS). Aldosterone is also the most important regulator of sodium excretion.

Subject:
Life Science
Anatomy/Physiology
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
Alimentary System - Horse Anatomy
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The horse is a monogastric hindgut fermenter. The horse evolved for grazing and it does so for up to 17 hours a day. A high proportion of the horse's dietary carbohydrate is in the form of starch. A mature horse eats 2-2.5% of it's body weight in dry matter every day, 1.5-1.75% of this should be fibre (hay/haylage). This is to prevent a rapid drop in pH in the large intestine and also to stimulate peristalsis in the gut and prevent build up of gas.

Subject:
Life Science
Anatomy/Physiology
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
Anaesthesia and Surgery - Small Mammals
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Because small mammals are prey species, they do not take to intensive conditions of surgery and hospitalisation very readily. Those that are handled very frequently by their owners are more bonded with humans and better surgical subjects as a result. Rodents and rabbits are particularly susceptible to the surgical complications of dehydration (blood and fluid loss), core temperature depression, hypovolaemic shock, ileus and renal and respiratory depression.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anasthesia
Date Added:
02/27/2015
Analytic epidemiological studies
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Analytic epidemiological studies aim to investigate and identify factors associated with the presence of disease within populations, through the investigation of factors which may vary between individual members of these populations. Details on study designs appropriate for these investigations are given elsewhere. Conceptually, this involves investigating the disease experience amongst different 'groups' of animals within an overall population, distinguished according to the factor(s) of interest. These factors can be classified as one of the components of the 'epidemiological triad' of Host, Agent and Environment, many of which are closely interrelated with each other.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Veterinary Epidemiology
Date Added:
02/27/2015
Anatomy and Physiology of Animals
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Veterinary nurses need to have a firm grasp of the normal structure of an animal’s body and how it functions before they can understand the effect diseases and injuries have and the best ways to treat them. This book describes the structure of the animal body and the way in which it works. Animals encountered in normal veterinary practice are used as examples where possible.

Subject:
Anatomy/Physiology
Material Type:
Textbook
Provider:
Wikibooks
Author:
Ruth Lawson
Date Added:
07/27/2016
Anus - Anatomy & Physiology
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The anus is the terminal portion of the alimentary tract which communicates with the external environment. Two sphincters control it's aperture. It allows faeces and gas to leave the body. Defeacation is the process where faeces are expelled from the rectum through the anus.

Subject:
Life Science
Anatomy/Physiology
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
Aortic Arches - Anatomy & Physiology
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After emerging from the heart, the aortic artery divides into the right and left dorsal branches. Each branch feeds into a set of arches which are unique to the embryo. Most higher vertebrates have have 6 pairs of aortic arches. In the mammal the 5th pair do not form. These arches evolve to form some of the structures of the mammalian circulation. The fate of each arch varies.

Subject:
Life Science
Anatomy/Physiology
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
Arteries of the Hindlimb - Anatomy & Physiology
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Although the information on this page is based around the anatomy of the canine hindlimb, it is essentially the anatomy of the arteries in domestic species. Any major differences will be discussed on their respective pages

Subject:
Life Science
Anatomy/Physiology
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
Atlas of Renal Lesions in Proteinuric Dogs
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The goal of this Renal Pathology Atlas is to provide teaching material to veterinary pathologists and nephropathologists. The atlas demonstrates the breadth of lesions that can occur within a cohort of dogs presenting with the clinical sign of protein loss in the urine. Kidney samples were examined with multiple modalities including: histopathology, immunofluorescence and electron microscopy. Integration of these comprehensive evaluations with the clinical history can help veterinary pathologists and nephrologists to better understand the etiology and prognosis of renal lesions in proteinuric dogs.

Subject:
Health, Medicine and Nursing
Material Type:
Textbook
Provider:
The Ohio State University
Provider Set:
Pressbooks
Author:
Bill Spangler
Cathy Brown
Charles Mohr
Cianciolo Rachel
George Lees
Hayley Amerman
Jaco Van der Lugt
Luca Aresu
Mary Nabity
Shannon McLeland
Silvia Benali
Date Added:
01/14/2019
Autonomic Nervous System - Anatomy & Physiology
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The peripheral nervous system found in most domestic species can be segregated into three sub-systems; the sensory system, the somatic motor system and the autonomic system. The autonomic nervous system (ANS) regulates the internal environment of the body including factors such as body temperature, blood pressure and concentrations of many substances. The ANS is also responsible for mobilising the body's resources during stressful situations. The ANS controls gland cells, cardiac muscle cells and smooth muscle cells. Control of this nervous system is involuntary and regulation is via autonomic reflexes. The autonomic reflex arc system is very similar to that of the somatic motor system, i.e. there are sensory (afferent) nerve fibres, an information integration centre, motor (efferent) fibres and effector cells. Any levels of increased activity within the autonomic nervous system can result in both stimulation or inhibition of effector cells, although it is only the efferent part of the reflex arc that is actually considered autonomic.

Subject:
Life Science
Anatomy/Physiology
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
Avian Intestines - Anatomy & Physiology
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The intestines occupy the caudal part of the body. They contact the reproductive organs and the gizzard. The small intestine is long and relatively uniform in shape and size. There is no demarcation between the jejunum and the ileum.

Subject:
Life Science
Anatomy/Physiology
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Anatomy & Physiology
Date Added:
02/05/2015
B Cells
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So named as they were initially found in the Bursa of Fabricius, B cells produce antibodies and are associated with humoral immunity (T cells are part of the cell-mediated immune response), and are an integral part of the adaptive immune system. They represent 20-30% of circulating lymphocytes.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
Basophils
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Basophils are derived from the same stem cell line as mast cells and while they are similar to mast cells, they are not identical (they are thought by some to be immature mast cells). They are the least common of all the leukocytes, are a similar size to neutrophils and eosinophils and are characterised by the large number of basophilic staining granules in their cytoplasm. They are present in the circulation but rarely found in tissue.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015
B cell differentiation
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Mature B cells that undergo stimulation by an antigen undergo class switching, and differentiate into either plasma or memory cells. In the paracortex region of the lymph node binding to MHC II in the presence of IL-4 produced by the CD4+ T cells (TH2 type) causes the B cells to differentiate; most will become plasma cells, however a small number will become memory cells. Follicular dendritic cells present in the germinal centers of peripheral lymphoid organs can absorb intact antigen onto their surface to present to B cells to stimulate differentiation.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
WikiVet
Provider Set:
Blood
Date Added:
02/11/2015