A comparative study of the temporal patterns of cutaneous water vapour loss from some domesticated mammals with epitrichial sweat glands.
Abstract: 1. The temporal patterns of cutaneous water vapour loss from the skin of the sheep, goat, ox, horse, donkey and llama during exposure to 40°C Ta and during i.v. injections and infusions of adrenaline are examined.
2. It is concluded that there are marked species variations in the extent to which the discharge of sweat is affected by periodic contractions of the myoepithelium, or by simple displacement of fluid from the filled lumen as more fluid is secreted into it.
Publication Date: 1969-10-15 PubMed ID: 5353576DOI: 10.1016/0010-406x(69)91659-4Google Scholar: Lookup
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- Journal Article
Summary
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The research article explores how different domestic animals like sheep, goat, ox, horse, donkey, and llama lose water vapor through their skin when exposed to specific temperatures and adrenaline infusions. It outlines variations across these species in terms of their sweat discharge influenced by contractions of the myoepithelium, and by fluid displacement within the secretory system.
Research Methodology
- The researchers conducted a comparative study to examine the temporal patterns of cutaneous water vapour loss. This involved exploring how water vapour is lost from the skin of different domesticated mammals, specifically sheep, goat, ox, horse, donkey, and llama.
- The animals were exposed to a temperature of 40°C (104°F), which would typically stimulate sweating activity.
- The subsequent physiological responses were then studied under specific conditions, including the administration of adrenaline through intravenous injections or infusions. Adrenaline, also known as epinephrine, is a hormone that among other functions, triggers sweat production.
Study Findings
- After analyzing the animals’ sweat discharge in response to the conditions applied, the study concluded that there exist significant species-specific variations.
- These variations are particularly noticeable in how the discharge of sweat is influenced by periodic contractions of the myoepithelium—the muscular cells found in various organs and structures of the body responsible for expulsion of secretions or fluid—and by simple displacement of fluid within the sweat glands.
- In simpler terms, certain animals might sweat more or less than others due to the way their bodies physically contract to push out sweat, as well as how new sweat output displaces the old within their sweat glands.
Significance of the Study
- This research provides valuable insights into the physiology of various domesticated animals, contributing to our broader understanding of their hydration levels, thermoregulation mechanisms, and stress responses.
- Such knowledge can aid in establishing better animal management practices, ensuring their wellbeing during heightened temperatures or stressful situations, and could be potentially useful in the fields of veterinary medicine or animal husbandry.
Cite This Article
APA
Allen TE, Bligh J.
(1969).
A comparative study of the temporal patterns of cutaneous water vapour loss from some domesticated mammals with epitrichial sweat glands.
Comp Biochem Physiol, 31(2), 347-363.
https://doi.org/10.1016/0010-406x(69)91659-4 Publication
Researcher Affiliations
MeSH Terms
- Animals
- Animals, Domestic
- Camelus
- Cattle
- Epinephrine / administration & dosage
- Epithelium / physiology
- Female
- Goats
- Horses
- Injections, Intravenous
- Male
- Periodicity
- Perissodactyla
- Physiology, Comparative
- Sheep
- Skin Physiological Phenomena
- Stimulation, Chemical
- Sweat Glands / metabolism
- Sweating / drug effects
- Temperature
- Time Factors
Citations
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- Montgomery I, Jenkinson DM, Elder HY. The effects of thermal stimulation on the ultrastructure of the fundus and duct of the equine sweat gland.. J Anat 1982 Aug;135(Pt 1):13-28.
- Montgomery I, Jenkinson DM, Elder HY. The ultrastructure of the sweat gland duct of the ox, sheep and goat before and during sweating.. J Anat 1982 Jun;134(Pt 4):741-55.
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- Boss JM. An unpublished work of Stephen Hales (1677-1761) [proceedings].. J Physiol 1977 Dec;273(2):33P-34P.
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