Integumentary System

Vertebrate Integumentary System By: Geonyzl J. Lepiten

The Vertebrate’s outer covering ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SKIN IS FUNCTIONALLY A UNIT WITH 3 PARTS: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Stratum corneum ,[object Object],[object Object],[object Object]

Stratum lucidum ,[object Object],[object Object],[object Object],[object Object]

Stratum granulosum ,[object Object],[object Object],[object Object]

[object Object],[object Object]

Stratum spinosum ,[object Object],[object Object],[object Object]

Stratum germinativum ,[object Object]

[object Object],[object Object],[object Object]

Dermis ,[object Object],[object Object],[object Object],[object Object]

Papillary region ,[object Object],[object Object],[object Object]

Reticular region ,[object Object],[object Object],[object Object],[object Object]

The Basement Membrane Complex ,[object Object],[object Object],[object Object]

Structures of the Dermal Layer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Glands ,[object Object],[object Object],[object Object],[object Object],[object Object]

Types of glands based to composition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of unicellular glands ,[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Multicellular Glands based on shape: ,[object Object],[object Object],[object Object],[object Object],example: thumb pads of male frog : mental glands of salamander : ceruminous glands in the ears of mammals

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

2. Saccular glands ,[object Object],[object Object],[object Object],Lacrimal glands

[object Object],[object Object],[object Object],Submaxillary gland

Types of glands based as to method of secretion ,[object Object],[object Object],ovary

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],- These are moved to the apical surface where the vesicles coalesce with the membrane on the apical surface to release the product. Most glands release their products in way

[object Object],[object Object],the apical portions of cells are pinched off and lost during the secretory process.

Types of glands as to type of Secretion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Three types of chromatophores ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Scales ,[object Object],[object Object],[object Object],[object Object]

Types of scales based on origin ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SURVEY OF VERTBRATE SKIN ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Fishes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of scales of fishes ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Ganoid scales of a Florida Gar Lepisosteus platyrhincus Dekay, Scanning electron micrograph of a Florida Gar ganoid scale. Note peg at upper left which articulates with adjacent scal

[object Object],[object Object],Cycloid scales of a Red Firefish

[object Object],[object Object],[object Object],[object Object],[object Object],Paradise Fish Macropodus opercularis

[object Object],[object Object],[object Object],Tiger fish

Chondrichthyes : ,[object Object],[object Object],[object Object]

Osteichthyes-Sarcopterygii : ,[object Object],[object Object],[object Object]

Osteichthyes-Actinopterygii: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Cycloid and Ctenoid (Teleosts that bear scales)

Amphibia ,[object Object],[object Object],[object Object]

Reptilia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Birds ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic feather types: ,[object Object],[object Object],[object Object]

Types of Feathers ,[object Object]

Feather development ,[object Object],[object Object]

Mammals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Integumental Derivatives ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

I. Structured Ectodermal Derivatives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

II. Structured Ectodermal-Mesodermal Derivatives ,[object Object],[object Object],[object Object]

III. Structured Mesodermal Derivatives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Integumentary System

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Integumentary System