Veterian Key

Chapter 8 The Respiratory System The respiratory system (apparatus respiratorius) uses the nose, nasal cavity, pharynx, larynx, trachea, bronchi, and smaller passageways to bring air to the alveoli or sites…

Chapter 12 Veins Abraham J. Bezuidenhout General Considerations Veins follow the same general course as arteries, although variations in their number, size, and course are more frequent than in arteries….

Chapter 7 The Digestive Apparatus and Abdomen The digestive system (apparatus digestorius) consists of the oral cavity, pharynx, alimentary canal, and accessory organs. The accessory organs include the teeth, tongue,…

Chapter 19 Cranial Nerves The cranial nerves of vertebrates have been the subject of much study because of their association with the sense organs of the head, their easy accessibility,…

Chapter 18 The Brain Thomas F. Fletcher and Alvin J. Beitz The brain (encephalon) and spinal cord (medulla spinalis) constitute the central nervous system. Twelve pairs of cranial nerves (nervi…

Chapter 6 The Muscular System John W. Hermanson Introduction The muscular system is composed of contractile units of varied morphologic characteristics, activated by voluntary or involuntary nerve impulses or by…

Chapter 21 The Eye Christopher J. Murphy, Donald A. Samuelson and Roy V.H. Pollock The eye (organum visus) (Fig. 21-1) develops as a neuroectodermal outgrowth of the embryonic prosencephalon that…

Chapter 13 The Lymphatic System Abraham J. Bezuidenhout Our knowledge of the structure and function of the lymphatic system has increased substantially during recent decades. This is equally true of…

Chapter 20 The Ear The ear (organum vestibulocochleare [auris]) evolved as an organ of balance and hearing in vertebrates. The most primitive part is the inner ear (auris interna), which…

Chapter 16 Spinal Cord and Meninges Thomas F. Fletcher The Spinal Cord The spinal cord and the brain constitute the central nervous system. The spinal cord is enclosed within the…