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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 <p>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</p>

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 <p>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</p>

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 <p>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</p>

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 <p>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</p>

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 <p>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</p>

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