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Histo- Integument
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Specialized Skin Structures include (3):
Hoof
Horn
Claws
Skin appendages include (3):
Hair Follicles
Sweat Glands
Sebacsous Glands
Epithelium of the epidermis
Keratinized, Stratified Squamous
Layers of the Epidermis (6, Outter-Inner):
Stratum Disjunction
Stratum Corneum
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Basal
Stratum Germinativum =
Stratum Basale
Stratum Spinosum
Which layer are melanocytes located in?
Stratum Basale
Epidermal layers that are dividing
Stratum Germinativum
(Stratum Basale & Stratum Spinosum)
What structure is responsible for finger prints?
Dermal Papillae
Which layer is found only in hairless skin
Stratum Lucidum
Which epidermal layers have dead cells?
Stratus Corneum
Stratum Disjunction
Layers of the Dermis (2):
Papillary Layer
Reticular Layer
Tissue type within the Dermal papillary layer:
Loose CT
Tissue type within the Dermal Reticular Layer:
*Dense Irregular CT
(NOT RETICULAR)
Tissue types within the Hypodermis (3):
Collagen Fibers
Elastic Fibers
Panniculus Adiposus
Parts of the Hair Follicle (interal - external)
Hair Bulb
Hair Root
Hair Shaft
What contains BVs and nerves, just below hair follicle
Dermal Papillae
Layers of the Hair Shaft:
Cuticle
Cortex
Medulla
Which layer of the hair shaft can be used for medicolegal purposes?
Medulla
Basic Layers of the Hair Follicle (6)? (Outter-Inner)
CT Sheath
External Root Sheath
Internal Root Sheath Cuticle
Cuticle
Cortex
Medulla
Dividing hair cells are located within the _____
Hair Matrix
What makes hair stand up?
Arrector Pilli Muscle
How are tactile hairs a risk for bacterial infection?
They have a blood filled sinus btw. inner and outer layer of the dermal sheath
What is attached the outter sheat of tactile hair follicles?
*Skeletal Muscle (=> Voluntary Control)
Sebaceous Glands Associated w/ hair?
Glands in hairless areas?
Hair
: pilosebaceous
Hairless
: Holocrine
Sebaceous Glands are classified as:
Simple or Compound Alverolar
Sweat Gland release modes:
Apocrine
Merocrine
Which type of sweat gland is Simple Coiled Tubular?
Apocrine
Which type of sweat gland is Simple Tubular
Merocine
Where are apocrine glands found?
Horse sweat glands
Where are merocine glands found (3)?
Pads of dogs and cats
Bovine Planum Nasolabial
Caral Glands in swine
Importance of bovine planum nasolabial glands (2)?
Equivilant to human finger print
Indication of good health
What type of gland is a mammary gland?
Compound Tubulo-Alveolar
What mammary cells contract in reponse to oxytocin for the letdown of milk?
Myoepithelial
Cell type in the mammary...
Intralobular Duct:
Interlobular Duct:
Lactiferous Duct:
Teat Sinus/Papillary Duct:
Intralobular Duct
: Simple Cuboidal
Interlobular Duct
: Stratified Cuboidal
Lactiferous Duct
: Stratified Cuboidal
Teat Sinus/Papillary Duct
: Stratified Squamous
Milk Micelles are produced by _____
Alveoli
What structures are made up of Hard Keratin (3)?
Horse hooves
Cornual Horns
Claws/Nails
Extra layer found in footpad?
Stratum Lucidum
Tubular and intertubular horn make up (2):
Chesnut
Ergot
Layers of horse hoof (5):
Stratum Externum
Stratum Medium
Primary Lamina
Secondary Lamina
Bone
Author
HLW
ID
48505
Card Set
Histo- Integument
Description
Histo-Integument
Updated
2010-11-12T02:04:28Z
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