Line 1:
Line 1:
−
{{toplink
−
|backcolour =BCED91
−
|linkpage =Alimentary - Anatomy & Physiology
−
|linktext =Alimentary System
−
|maplink =
−
|subtext1=STOMACH AND ABOMASUM
−
|sublik1=Stomach and Abomasum - Anatomy & Physiology
−
}}
−
<br>
==Introduction==
==Introduction==
Line 82:
Line 73:
−
==Histology==
+
==[[Reticulum - Histology|Histology]]==
−
−
[[Image:Reticulum Histology Sheep.jpg|thumb|right|150px|Reticulum Histology (Sheep) - Copyright RVC 2008]]
−
*Keratinised stratified squamous epithelium
−
−
*No glands
−
−
*Honeycomb appearance of short and tall folds
−
−
*Mucosal layer thrown into folds
−
−
*The folds gradually merge into papillae where the reticulum meets the rumen
−
−
*Lamina muscularis present as discrete bands of smooth muscle (not continuous)
−
−
*[[Tongue - Anatomy & Physiology#Types of Papillae|Conical papillae]], also called secondary papillae, on folds providing a rough surface to increase food breakdown
−
−
*2 thick layers of tunica muscularis- inner circular and outer longitudinal
−
−
*The upper keratinised layer protects against abrasion
−
−
*The deeper layers metabolise [[Volatile Fatty Acids - Anatomy & Physioogy|volatile fatty acids]]
−
==Species Differences==
==Species Differences==
Line 142:
Line 111:
−
[[Category:Alimentary System - Anatomy & Physiology]]
+
[[Category:Stomach - Anatomy & Physiology]]