Simple, branched acinar gland
In addition to a tubular configuration, the secretory units of a simple gland can also be acinar. This example shows a gland with an unbranched duct into which the acini (alveoli) release their secretory product. This is a Meibomian gland (tarsal gland) and is located in the eyelid. It secretes an oily material by the holocrine mode of secretion that covers the watery tear film layer on the surface of the eye to prevent drying. Eyelid 100x
Acini
In addition to a tubular configuration, the secretory units of a simple gland can also be acinar. This example shows a gland with an unbranched duct into which the acini (alveoli) release their secretory product. This is a Meibomian gland (tarsal gland) and is located in the eyelid. It secretes an oily material by the holocrine mode of secretion that covers the watery tear film layer on the surface of the eye to prevent drying. Eyelid 100x
Acini opening into duct
In addition to a tubular configuration, the secretory units of a simple gland can also be acinar. This example shows a gland with an unbranched duct into which the acini (alveoli) release their secretory product. This is a Meibomian gland (tarsal gland) and is located in the eyelid. It secretes an oily material by the holocrine mode of secretion that covers the watery tear film layer on the surface of the eye to prevent drying. Eyelid 100x
Duct
In addition to a tubular configuration, the secretory units of a simple gland can also be acinar. This example shows a gland with an unbranched duct into which the acini (alveoli) release their secretory product. This is a Meibomian gland (tarsal gland) and is located in the eyelid. It secretes an oily material by the holocrine mode of secretion that covers the watery tear film layer on the surface of the eye to prevent drying. Eyelid 100x
Inner eyelid skin
In addition to a tubular configuration, the secretory units of a simple gland can also be acinar. This example shows a gland with an unbranched duct into which the acini (alveoli) release their secretory product. This is a Meibomian gland (tarsal gland) and is located in the eyelid. It secretes an oily material by the holocrine mode of secretion that covers the watery tear film layer on the surface of the eye to prevent drying. Eyelid 100x
Outer eyelid skin
In addition to a tubular configuration, the secretory units of a simple gland can also be acinar. This example shows a gland with an unbranched duct into which the acini (alveoli) release their secretory product. This is a Meibomian gland (tarsal gland) and is located in the eyelid. It secretes an oily material by the holocrine mode of secretion that covers the watery tear film layer on the surface of the eye to prevent drying. Eyelid 100x