Term
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Definition
| thin and loose and tears easily, but since it is poorly supplied with blood vessels and nerves, wounds do not bleed as much as in mammals, and birds seem insensitive to manipulation of their skin |
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Term
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Definition
| red fleshy crest on the head of a domestic fowl, esp. a rooster |
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Term
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Definition
| colored fleshy lobe hanging from the head or neck of domestic chickens, turkeys, and some other birds |
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Term
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Definition
| soft ornamental outgrowths of the skin above the head |
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Term
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Definition
| horny projecting jaws; a bill |
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Term
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Definition
| developed on the caudomedial surface of the rooster's shank is used as a weapon; it has an osseous core within a cone of horn |
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Term
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Definition
| only skin gland present apart from those in the external ear and at the vent; neither sebaceous nor sweat glands are present |
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Term
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Definition
| main shaft extended on each side by the vane |
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Term
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Definition
| do not unite to form a closed vane |
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Term
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Definition
| light, compact, and strong with a greater content of calcium phosphate than in mammalian bone |
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Term
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Definition
| formed principally by the nasal and premaxillary bones that surround the large nasal aperature |
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Term
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Definition
| two thin bones fused rostrally where they are covered by the lower beak |
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Term
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Definition
| definite numbers of cervical, thoracic, lumbar, sacral, and caudal vertebrae is made difficult by the extensive fusion and the uncertainty of the location of the junction between the cervical and thoracic elements |
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Term
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Definition
| varies with the length of the neck |
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Term
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Definition
| present, most carrying complete ribs for connection with the sternum |
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Term
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Definition
- last one or two thoracic vertebrae fuse with the lumbar, sacral, and first caudal vertebrae
- supports the pelvic girdle
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Term
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Definition
| connect the extensive sternum to the thoracic vertebrae |
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Term
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Definition
| large unsegmented bone, which with its long processes forms a considerale part of the ventral body wall |
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Term
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Definition
| flat rod lying lateral and parallel to the vertebral column and extending caudally to the pelvis |
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Term
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Definition
| extends from the shoulder joint to a firm articulation with the cranial end of the sternum; it acts as a brace against the vigorous up-and-down strokes of the wing |
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Term
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Definition
| unite to form the furcula whose borders and median ventral expansion are tethered to the cranial end of the sternum and coracoids by tough membrane |
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Term
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Definition
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Term
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Definition
| move the wing are well developed and in some species represent as much as 20% of the body weight |
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Term
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Definition
| arises from sternum and clavicle |
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Term
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Definition
| resembles the mammalian bone in its general form |
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Term
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Definition
| fuses with tarsal elements |
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Term
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Definition
| much longer than the femur and carries a feebly developed fibula on its lateral aspect |
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Term
|
Definition
| distal tarsal elements merge with the metatarsal bone |
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Term
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Definition
| contain larger amounts of myoglobin, are more heavily vascularized, and have more mitochondria and lipid globules within their fibers |
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Term
|
Definition
| more powerful but have less endurance |
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Term
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Definition
| long median cleft that connects with the nasal cavity |
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Term
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Definition
| populate the oropharyngeal wall, either scattered singly or arranged in transverse rows; they are directed caudally and aid in moving the bolus toward the esophagus |
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Term
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Definition
| supported by a delicate hyoid apparatus and is nonprotrusible |
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Term
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Definition
| rises caudal to the base of the tongue |
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Term
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Definition
| bulges yet farther to the right and lies against the breast muscles |
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Term
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Definition
| spindle-shaped and about 4 cm long |
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Term
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Definition
| lens-shaped and is positioned with its convex surfaces facing more or less to right and left |
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Term
|
Definition
| koilin, a carbohydrate-protein complex |
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Term
|
Definition
| passes caudally from the right surface of the gizzard |
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Term
|
Definition
| loose coils along the edge of the mesentery and is so thin-walled that its content causes it to appear greenish |
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Term
|
Definition
| from the jejunum without demarcation |
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Term
|
Definition
| relatively long in the chicken and the turkey, arise at the ileocolic junction and pursue retrograde courses beside the ileum to which they are attached by ileocecal folds |
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Term
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Definition
| about 10 cm long and ends by a slight enlargement of the cloaca |
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Term
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Definition
| anus, esp. one in a lower animal such as a fish that serves for both excretion and reproduction |
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Term
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Definition
- humerus
- coracoid
- sternum (keel)
- pelvis
- vertebrae
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Term
|
Definition
| move both maxillary and mandibular jaws |
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Term
|
Definition
| triangular plate formed of the fused caudal vertebrae, typically supporting the tail feathers |
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Term
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Definition
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Term
|
Definition
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Term
|
Definition
- ischium
- pubis
- ilium
- acetabulum
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Term
|
Definition
- pectoralis m
- supracoracoideus m
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Term
|
Definition
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Term
|
Definition
- femur
- tibiotarsus
- tarsometatarsus
- 4 digits
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