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43 Cards in this Set
- Front
- Back
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What is different in general about birds bones?
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No bone marrow
Filled with light trabecular structure Humerous and femur are pneumatic-air filled and communicate with resp system |
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What are birds beaks covered in?
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Keratin
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What is Keratin known as on birds beaks?
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Rhamphoeca
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The keratin covering the maxillary beak is known as...
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rhinotheca
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The keratin covering the mandibular beak is known as...
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gnatotheca
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Eye shape is maintained by cartilage and a ring of small bones known as...
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scleral ossicles
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How many occipital condyle are in birds?
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One-makes the head extremely mobile
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What is the midline slit in the hard palet called?
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choana
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what is the infraorbital sinus?
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cavity situated below the eye
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How many cervicle vertibrae in birds?
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11-25
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The thoracic vertibrae in birds are fused to form a single bone-what is this called?
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notarium
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Which bone in birds protects the kidney?
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synsacrum
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What is the pygostyle?
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the bone which forms the base for the attachment of tail feathers
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What are different in birds with regards to pubic bones?
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They are elongated and not fused
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How many pairs of ribs do parrots have?
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8
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What is an alula or bastard wing?
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equivilant to an avian thumb
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In birds what is the tibia called?
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tibiotarsus
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What does the glottis of birds lack?
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epiglottis
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what is a syrinx?
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Avian voice box
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What is the main difference in lungs with birds?
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They are semi ridgid and so do not inflate or delate much
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Do birds have a diaphragm?
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Nope :)
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if there is no diaphragm, there is one body cavity called...
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coelom
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What is the process of taking a breath in birds?
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Moving the sternum downwards and the ribcage outwards
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How many air sacs are there in birds?
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9
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Which are the main air sacs involved in respiration?
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Cranial air sacs
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The sequence of breathing and oxygen exchange...
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Breath in>Air in lungs>Air in caudal air sacs>Air in caudal air sacs moves back into lungs>gaseous exchange takes place>air moves into cranial sacs>air is exhaled
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Does gaseous exchange in birds take place in both inspiration and exhalation?
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Yes indeedy!
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What is crop milk?
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Produced by dove and pigeon family by both male and female in crop to feed young
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How many stomachs do birds have?
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2
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Which stomach produces the acid?
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The first stomach
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What is the proventruculus?
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first stomach of a bird
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What is the ventriculus?or grinding/gizzard stomach?
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the second stomach
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Which type of bird is the ventriculus well developed in?
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Seed eating birds
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What is different about the small intestine in birds?
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It is smaller but has the same componants
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What is another name for the large intestine in birds?
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rectum
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What is the large intestine responsible for in birds?
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reabsorbtion of water and elecrolytes
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What are the caeca in birds?
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they aid in digestion. may be large in ratites (emu/ostrage) or may be absent
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What is the Cloaca?
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it is the area that digestive, urinary and reproductive tracts empty
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What does the coprodeum receive?
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Faeces
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What does the urodeum recieve?
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Urine
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What does the proctodeum receive?
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Urine and faeces are combined
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What is the bursa of fabrucius in birds?
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Site for b-lymphocyte production in younf birds
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What is biliverdin?
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The main bile pigment in birds (as opposed to biliruben)
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