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18 lip 2016 · Less variety is seen among feline breeds. Evolutionarily, the pinna is a focusing and localizing device, directing sound toward the middle ear, and as such has rich muscular, nervous, and vascular contributions. The auricular cartilage of the pinna (scapha) is covered by skin on both sides.
- 1 ANATOMY OF THE EAR
The pinna is the most prominent portion of the external ear...
- 1 ANATOMY OF THE EAR
23 cze 2017 · The pinna is the most prominent portion of the external ear (Fig. 1.1). It has an inner, concave surface and an outer, convex surface. In the standing ear, the concave surface forms a conchal cavity that is directed rostrally or laterally, while the convex surface faces medially or caudally.
10 wrz 2016 · The pinna, or auricle, is a highly visible structure. Carriage of the pinna is breed-specific in the dog but mostly upright in the cat. It is designed to localize and collect sound waves and transmit them to the tympanic membrane (eardrum).
16 gru 2009 · The canine ear consists of the pinna, external ear canal, middle ear and inner ear. The external ear is composed of auricular and annular cartilage. The auricular cartilage of the pinna becomes funnel shaped at the opening of the external ear canal.
The auricle of the outer ear, or Pinna, is the visible part of the ear; it is infinitely more mobile than the animals in Men and is equiped therefore with more numerous and complex muscles. It is supported by a cartilage arranged in a cone, whose small opening is placed in front of the external acoustic meatus: it is the auricular cartilage ...
1 lis 2012 · The external ear. The conformation of the pinnae in the dog may be erect or pendulous. Most cats have erect pinnae. Genetic mutations in the cat have affected the development of the pinnae, and resulted in breeds of cats with four ears, folded ears, and curled ears.
The outer ear includes the pinna (the part you see that is made of cartilage and covered by skin, fur, or hair) and the ear canal. The pinna is shaped to capture sound waves and funnel them through the ear canal to the eardrum. In dogs, the pinnae are mobile and can move independently of each other. The size and shape of the pinnae vary by ...
