Tag: body

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Dorsal and Ventral Body Cavities

Most anatomy textbooks begin with descriptions of body cavities and body regions.  These terms are important for identifying the location of structures.  For example, you will fund the lungs within the thoracic cavity, which is the region superior to the diaphragm.   The stomach and digestive organs are …

Body Planes

The planes of the body are one of the first topics in Anatomy and Physiology.   The concept relies on understanding the orientation of the specimen. Sagittal =  cuts the body into a left and right side  (red) Coronal = cuts the body into a front and back …

Quiz: Body Cavities

   cranial dorsal thoracic spinal ventral diaphragm (muscle) abdominal abdominopelvic pelvic  

Brain – Optic Chiasma

On the ventral side of the sheep’s brain, several nerves and structures are visible after the careful removal of the dura mater.   The image below shows the brain with the dura intact and the eye socket attached.  The blue reflective surface of the sheep tapetum can be …

Atlas and Axis

The first two cervical vertebrae  are the atlas (C1)  and the axis (C2.) The atlas is named for the character from Greek Mythology who supported the globe, though in anatomy, the head is the globe.  In fact, the articular facets of the atlas align perfectly with the occipital …