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Understanding Male Rat Blood Supply Anatomy
Jan 6, 2025
Male Rat Dissection: Blood Supply PART 1
Aims
Recognize the main types of blood vessels in mammals.
Blood Vessels Overview
Vena Cavae
: Channels deoxygenated blood back to the heart.
Inferior Vena Cava
: Brings blood from the abdomen and lower limbs.
Superior Vena Cava
: Returns blood from the head, neck, and upper limbs.
Aorta
: Delivers oxygenated blood from the heart to the body.
Aortic Arch
: Name given as the aorta curves after ascending from the heart.
Abdominal Aorta
: As the aorta descends, it becomes the abdominal aorta.
Renal Arteries
: Branches of the abdominal aorta delivering blood to the kidneys.
Additional Anatomical Notes
Testes
: Primary reproductive organs in male rats, encapsulated by the scrotal sac.
Functions to produce testosterone and sperm.
Kidney Anatomy
Positioned asymmetrically; termed retroperitoneal as they lie behind the peritoneum.
Peritoneum
: Connective tissue protecting and anchoring organs.
Omentum
: Folds of peritoneum; the greater omentum protects organs from infection.
Blood Supply to Lower Limbs
Femoral Arteries
: Branch from the aorta.
Accompanied by the femoral nerve and vein.
Femoral Vein
: Returns deoxygenated blood from the lower limb, employing valves to prevent backflow.
Stomach Examination
Connective tissue structures:
Oesophagus
(delivers food) and
Duodenum
(transports food from stomach to intestines).
Human Stomach Regions
: Cardia, Fundus, Body, Pylorus.
Sphincters at either end help in closing the stomach for digestion.
Rat Stomach
: Comprises Cardiac, Body, Pylorus regions.
Muscular sphincters present as in humans.
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