Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the 6 functions of the skin | show 🗑
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| show | The skin acts as a barrier between internal and external environment such as water, toxins, trauma, UV light and microorganisms
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| show | Through sebaceous glands. It forms a thin water repellent layer over the skin. It gives a sheen to the coat and helps to control bacteria
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| show | Comes from sudoriferous glands found in foot and nose pads
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| show | UV light acts on a precursors chemical in the skin that gets converted to vitamin D3 and absorbed into the bloodstream. This vitamin is then converted by the liver into a compound used by the kidneys to make calcitrol for calcium absorption
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| show | Produced by specialised glands. They have a role in communication such as territory marking
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| show | They are modified sweat glands that produce milk
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| show | Produce a secretion with a smell used for territory marking
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| What are ceruminious glands | show 🗑
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| What do nerve receptors in the skin respond to | show 🗑
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| show | From receptors to the CNS
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| How is storage used in skin | show 🗑
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| What are the five ways thermoregulation is used | show 🗑
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| How is communication used in the skin | show 🗑
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| show | Epidermis, dermis and hypodermis
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| Describe the epidermis | show 🗑
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| What are the four layers of the epidermis | show 🗑
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| Describe stratum basale | show 🗑
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| show | Cells are flattened and keratinisation begins
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| show | Making keratin
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| What is stratum luciderm | show 🗑
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| show | Most superficial layer. The cells have no nuclei and are fully keratinised and are flattened. They are known as squames
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| Describe the dermis | show 🗑
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| show | Hair follicles, sebaceous glands and sweat glands
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| show | Also known as subcuticular layer. Is a layer of loose connective tissue and fat. Has elastic fibres that give the skin stretch
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| What is a guard hair | show 🗑
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| What are under hairs | show 🗑
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| show | Long sensory hairs. Eg. Whiskers
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| show | Found immediately above the eyelids
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| show | Larger tufty hairs Eg. Eyebrows
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| show | 1mm
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| show | Environment, nutrition and hormones
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| show | A keratinised structure covering surface of dog and cat
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| show | The part of the hair that can be seen from the skin
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| What is the hair root | show 🗑
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| show | Where hair grows and develops in the epidermal cells
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| show | Secrete sebum that forms a water repellant layer over the skin surface
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| What do blood vessels do in the dermis | show 🗑
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| What does the arrector pilli muscle | show 🗑
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| show | In the dermis where epidermal thickening covers the papilla which forms a bulb
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| What is the papilla | show 🗑
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| show | Hair is formed in the epidermal tissue that extends to form a hair papilla. The hair grows, destroying the cells and leaving a hair follicle for the hair to grow through called the hair shaft
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| show | Anagen, catgen and telogen
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| show | The period of active growth
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| show | Transitional period
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| What is telogen | show 🗑
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| Describe wool hairs | show 🗑
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| How are vibrassae sensory | show 🗑
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| Describe the footpads | show 🗑
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| show | They are modified epidermal structures and form the third phalanx where they cover the ungual process. The have lots of keratin. The tissue is referred to as a horn
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| What is the coronary border | show 🗑
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| What is the skin border | show 🗑
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| How do dog and cat claws differ | show 🗑
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| show | The nose pad
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| show | Thick, keratinised and hairless. Has a unique print
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| What are tail glands | show 🗑
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| show | Form a ring around the anus where the ducts drain into the ducts of modified sweat glands
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| show | Modified sweat glands that have glandular tissue lined with secretory epithelium. Secretions drain through teat sinuses. Open at teat orifices
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| What is lactation | show 🗑
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| show | Thick yellow secretion in mammary glands several weeks before and one week after pasturation (pregnancy). Rich in antibiodies
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| show | Not much as the semen has to be at a low temperature
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| show | All year round
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| show | Vibrissae
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| What are the centre of the sweat pads called | show 🗑
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| show | Carpal pad
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| What are dewclaws used for | show 🗑
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| show | The pattern of the dermal papillae
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| How to sudoriferous glands work | show 🗑
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| Where are anal glands found | show 🗑
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