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Number of posts : 1182
Age : 29
Location : United States
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Registration date : 2007-12-28

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PostSubject: Cavy Anatomy.   Cavy Anatomy. Icon_minitimeFri Dec 28, 2007 4:54 pm

Adult body weight: 700 - 900g (female); 900 - 1200g (male)
Life span: 4 - 5 years
Respiratory rate: 42 - 105 breaths/minute
Heart rate: 240 - 250 beats/minute
Normal average rectal temperature: 103F
The dental formula is 2(I 1/1, P 1/1, M 3/3) = 20. All teeth are open-rooted. The guinea pig rarely, if ever, bites.
The stomach is entirely glandular and not separated into chambers like other rodents. The guinea pig has a large cecum, accounting for up to 65% of the gastrointestinal tract volume.
The left lung consists of three lobes; the right lung consists of four lobes.
The male and female guinea pig has two inguinal mammary glands.
The thymus is located subcutaneously on either side of the trachea and is easily removed surgically. There may also be mediastinal thymic tissue. The urethra of the female guinea pig generally opens along the ventral edge of the clitoral fossa, but occasionally opens independently below the vulva.
Kurloff cells are unique mononuclear leukocytes (white blood cells) that occur in guinea pigs. These cells contain a large intracytoplasmic inclusion, proliferate during estrogenic stimulation and pregnancy, and may function to protect fetal antigens from sensitized maternal lymphocytes and immunoglobulins.
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