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Mammary Gland - Anatomy & Physiology (view source)
Revision as of 12:59, 7 July 2008
, 12:59, 7 July 2008no edit summary
== Introduction ==
'''''Development of the Mammary Gland (prenatal mammogenesis)'''''
'''''Development of the Mammary Gland (prenatal mammogenesis)'''''
[[Image:Mammary Gland teat canal keratin plug.jpg|right|thumb|250px|<small><center> Cross Section through the Teat Canal of the Mammary Gland showing a Keratin Plug. Copyright RVC 2008 (Courtesy of Tanya Hopcroft (RVC))</center></small>]]
[[Image:Mammary Gland teat canal keratin plug.jpg|right|thumb|250px|<small><center> Cross Section through the Teat Canal of the Mammary Gland showing a Keratin Plug. Copyright RVC 2008 (Courtesy of Tanya Hopcroft (RVC))</center></small>]]
== Species Differences ==
'''''Position and Morphology'''''
{| style="width:75%; height:200px" border="1"
!Species
!'''Primates'''
!'''Elephant'''
!'''Goat and Sheep'''
!'''Guinea Pig'''
!'''Cow'''
!'''Mare'''
!'''Rat'''
!'''Dog'''
!'''Sow'''
!'''Cat'''
|-
| '''Number of Mammary Glands'''
| 2
| 2
| 2
| 2
| 4
| 4 (2 teats)
| ~10
| ~10
| 8-18
| 8
|-
| '''Position'''
| Pectoral
| Pectoral
| Inguinal
| Inguinal
| Inguinal
| Inguinal
| Abdominal,Ventral
| Abdominal,Ventral
| Abdominal,Ventral
| Abdominal,Ventral
|-
| '''Teat Ducts'''
| 10-20
| Several
| 1
| 1
| 1
| 2
| 1
| 8-22
| 2
| 4-8
|-
|}