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Rat Reproduction - Anatomy & Physiology (view source)
Revision as of 08:32, 23 July 2008
, 08:32, 23 July 2008→Mammary Gland
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* '''Cervical gland''' is rudimentary
−* '''Thoracic gland''' is diffuse.
−** Contains 3 nipples
−** Surrounds the base of the forelimb.
−* '''Abdominal gland''' only marginally developed.
−* '''Inguinal gland''':
−** Surrounds the base of the hindlimb
−** Contains 3 nipples
+
* Care not to stress mother or she may cannibalise the young.
* Care not to stress mother or she may cannibalise the young.
−== Mammary Gland ==
+== Mammary Gland and Lactation ==
−* 6 pairs of mammary glands.
+* The rat has 6 pairs of mammary glands.
−* Thoracic and inguinal glands act as two discrete complexes, separated by a space just behind the ribs.
* Thoracic and inguinal glands act as two discrete complexes, separated by a space just behind the ribs.
** During lactation, the thoracic glands expand rostrally as far as the [[Oral_Cavity_-_Salivary_Glands_-_Anatomy_%26_Physiology#Major_Salivary_Glands|parotid and mandibular glands]].
** During lactation, the thoracic glands expand rostrally as far as the [[Oral_Cavity_-_Salivary_Glands_-_Anatomy_%26_Physiology#Major_Salivary_Glands|parotid and mandibular glands]].
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** Inguinal gland covers the lateral abdominal wall back to the stifle and anal region.
** Inguinal gland covers the lateral abdominal wall back to the stifle and anal region.
* At the base of each teat the transition zone between hairless and hair has large sebacious glands.
* At the base of each teat the transition zone between hairless and hair has large sebacious glands.
+
+=== Cervical gland ===
+
+* Rudimentary
+
+=== Thoracic gland ===
+* Diffuse.
+* Contains 3 nipples
+* Surrounds the base of the forelimb.
+
+=== Abdominal gland ===
+
+* Only marginally developed.
+
+=== Inguinal gland ===
+
+* Surrounds the base of the hindlimb.
+* Contains 3 nipples.