2 - Integumentary System Flashcards
What are the types of hair?
- guard hair
- wool hair
- tylotrich hair
What are the other types if hair?
- long (horse) hair
- bristles
The hair type of the fleece of sheep
Wool hairs
hair of the horse –forelock, mane, tail and “feathers” (behind the fetlock)
Long hair
the hair coat of the pig; the cilia (eyelashes), vibrissae (hairs of the nostrils) and “beard” (hair of the submandibular region) of the goat
Bristles
- Composed of wool hairs or undercoat of animals bred for their ability to produce usable fibers
- Lacks guard hairs so that the fleece is soft and curly, made up of long fine hairs
Wool of Sheep
Wool of Sheep has oily feel due to?
lanolin (wool grease/wool wax)
lanolin (wool grease/wool wax) a product of what glands?
cutaneous sebaceous glands
Wool that is acquired from sheep (merino and rambouillet)
Commercial wool
Wool of Angora goat?
mohair
Wool of cashmere goat?
cashmere wool
Animals with a single hair follicle
Horse and cattle
Animals with compound hair follicles with single primary hair and a group of smaller secondary hairs
Dogs
Animals with single follicles grouped in clusters
Pigs
Animals with single follicle with primary guard hair surrounded by clusters of compound follicles
Cat
These animals hoof pads or bulbs are comparable to the digital pads of carnivores
Ruminant
The metacarpal, metatarsal, carpal and tarsal pads are missing in all domestic species, except the?
carnivore
Pouches at medial canthus of eye, larger in rams than in ewes; used for marking
Infraorbital pouches
Pouches on the midline above the hoofs between the digits of all four feet; used as trail markers
Interdigital pouches
Pouches near the base of the udder or scrotum
Inguinal pouches
Sebaceous Glands in caudal to the base of the horn, secretion is increased during breeding season and especially pungent in bucks
Horn glands
two glands below the tail responsible for the bucks characteristic smell
Sub-caudal glands
Glands on the mediopalmar aspect of the carpus; Produce sexual pheromones, marking the sow during mating
Carpal glands
wart-like skin eminence on the chin; has both tactile and secretory (marking) functions
Mental (chin) glands