Place the brain with the cerebrum facing up. 2. Use a scalpel to slice through the brain along the center line, starting at the cerebrum and going down through the cerebellum, spinal cord, medulla, and pons. 3.

And here's the sheep. Here's the base of the pons. Here's the cerebellum. They're both connected. I'm going to just cut off the peduncle. I'm going to cut the connection. Okay there you go. I just cut, I am cutting off the cerebellum. There is no other structure in the brain that has so constricted an access.

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Can you tell the difference between the cerebrum On the images above, drag and place the appropriate labels to properly identify the regions / structures of the sheep brain. Sheep Brain – Inferior (region) (thin layer) (region) (region) (thick layer) (with outer meninges) (without outer meninges) Optic chiasma Exercise 1 – Sheep Brain Anatomy Pia mater Midbrain Dura mater Pituitary gland Mammillary body Medulla oblongata Pons Pons Dura Mater Spinal Cord. Cerebrum Occipital Lobe Olfactory Bulb Frontal Lobe Sheep Brain Practical Author: jsmith Created Date: 1/25/2011 8:49:56 AM Dissection of the Sheep Brain Subject: Anatomy & Physiology I Author: Elen Lathrop-Davis and Ewa Gorski Keywords: sheep brain Description: preserved sheep brains Last modified by: CCBC Created Date: 3/8/2001 9:08:55 PM Document presentation format: On-screen Show Company: CCBC Other titles 1. Obtain a sheep brain dissection chart from your teacher. 2. Working in a group of two or three, select a whole sheep brain. Lay the brain on the dissecting tray to view the external surface.

These are the cerebral peduncles, which are made up of fibers originating in the cortex and bound for the brainstem and spinal cord. Behind the pons lies the medulla, the most caudal of the three brainstem divisions. Right along the midli

Pons Medulla Spinal Cord. Lateral View of the Sheep Brain. Occipital Cortex. Temporal Cortex.

Lobe. Cerebellum. Temporal Rhinal Pyriform. Lobe Fissure Cortex. Pons Medulla Spinal Cord. Lateral View of the Sheep Brain. Occipital Cortex. Temporal Cortex. Primary Motor. Cortex. Central Sulcus. Primary y Cortex. Sensor. Longitudina.

While the sheep brain differs from the human brain in many details, they both have the same basic anatomy, and, it is larger than the rat brain. Work in teams of four students. • The pons is next to the medulla. It serves as a bridge between the medulla and the upper brainstem, and it relays messages between the cerebrum and the cerebellum.

Lab: Sheep Brain Dissection 1 **Before starting this lab, open the "Brain Parts and Functions" document. Refer to images, descriptions, and functions of parts of the brain as you proceed through this lab. Sheep brains, although much smaller than human brains, have similar features and can be a valuable addition to anatomy studies. The principal regions of the midbrain are the tectum, the cerebral aqueduct, tegmentum, and the cerebral peduncles. Rostrally the midbrain adjoins the diencephalon (thalamus, hypothalamus, etc.), while caudally it adjoins the hindbrain (pons, medulla and cerebellum). In the rostral direction, the midbrain noticeably splays laterally.
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The pons assists in the control of autonomic functions, as well as states of sleep and arousal. The cerebellum relays information between muscles and areas of the cerebral cortex that are involved in motor control. External Sheep Brain: The sheep brain is quite similar to the human brain except for proportion. The sheep has a smaller cerebrum.

These two structures will likely be pulled off when you remove the dura mater.
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inferior view of sheep brain.

Identify the external structures indicated below on the brain.