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Experiences

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TEACHERS EXPERIENCES FORM

Title of the Experience
Structure of the kidney
Name of the teacher
Daniela Ruseva
Country where it took place
Bulgaria
School typology
High Secondary School
Thematic Area
Biology
Experience typology
Teaching in class, Laboratory
Type of contact
Direct
Description of the Experience
Students are taught the structure of the kidney. Suitable for monitoring are swine kidneys.
Students are divided into groups and each group has a plastic container placed before them to put the kidney, scalpel, magnifying glass and a reference work.
The dissection technique is explained by the teacher.
There is the characteristic shape of the kidney and very deep greyish-red color of the kidney.
From the concave side it is visible the locations where blood vessels and ureter enter and leave the kidney. The artery is shown, which is open and light yellow in color.
Renal vein shows a longitudinal sectional view of the kidney and urinary tract tube is white masked with fat.
Reference is a longitudinal section of a kidney, so that one side remain intact artery, vein and ureter.
Students observe a model placed on the department and on it are the preparation of the renal pelvis (white color and from the inner side shiny and smooth).
Careful consideration two distinct layers - crust and core. With a magnifying glass to observe the inner layer. There are, dark granular formations. The second layer is visible in the form of groups of pyramids facing central pelvis.
Students draw what they saw and make a model of nephron.

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