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Pig embryos, 10 mm. or more in length, may be dissected easily, mounted as opaque objects, and used for several years. Success in dissecting such small embryos depends; (1) on the fixation and hardening of the material employed; (2) on starting the dissection with a clean cut in the right plane; (3) on a knowledge of the anatomy of the parts to ...

Apr 8, 2025 · The 10-mm. pig is a much larger and more complicated embryo than the 72-hour chick last studied, and it has not only begun to take on its final external form but it has also developed the primordia of nearly all the organs and organ systems.

PRELAB; OBJECTIVES To learn to envision a three dimensional embryo from 2-D cross sections; to see the changes in organs systems from the 6 to the 10 mm pig.

This document describes the anatomy of a 10 mm pig embryo. Key structures mentioned include the 4th ventricle, mesencephalon, metencephalon, trigeminal nerve, facial nerve, glossopharyngeal nerve, vagus nerve, hypoglossal nerve, otic vesicle, semicircular canals, lens vesicle, thyroid gland, pulmonary artery, heart chambers, esophagus and trachea.

10 mm Pig Embryo--Sections 60-88 Click on the small images to see a larger version of the image. Small images with purple numbers link to large images with labels .

10 mm Pig Embryo--Section 100 . Back to previous large image; Forward to next large image; Back to small images of sections 90-118

This document provides an overview of the objectives, materials, and procedures for examining the serial transverse sections of a 10 mm pig embryo.