Chapter 6 Study Guide: Integumentary System Colville: Clinical Anatomy and Physiology for Veterinary Technicians 3rd edition

The majority of cells found in the skin are

keratinocytes

The pigment found in skin is produced by

melanocytes

The cells thought to aid in the sense of touch are

Merkel cells

The macrophages of the epidermis are the

Langerhans cells

One of the most common skin tumors in dogs over the age of 5 is

squamous cell carcinoma

The nose of a white cat is especially susceptible to

squamous cell carcinoma

The old grey mare is especially susceptible to

Malignant melanoma

One of the most common benign tumors of cats is

Basal cell tumor

The most common site for malignant melanoma in dogs and cats is the

oral cavity

Which layer of epidermis is most actively involved in replacing exfoliated skin cells?

basal layer

The thickest layer of the epidermis is the

horny layer

Tylotrich hairs are important in the perception of

touch

Meissner's corpuscles is important in the perception of

Temperature change

Pacinian corpuscles are important in the perception of

touch

Which layer of skin allows it to move freely over underlying bone and muscle without tearing?

hypodermis

On a footpad, which layer of skin is the thickest?

stratum corneum

In which species of animal would you find a planum nasolabiale?

Equine

Which dark, horny structures are found buried in the long, caudal hairs of equine fetlocks?

Ergots

Infraorbital, interdigital, and inguinal pouches are found in what species of animal?

Ovine

The part of a hair that is buried within the skin is the

root

The invagination of epidermis in which a hair is anchored is the

follicle

How many hairs are found in an average hair follicle?

1

In a compound follicle a primary hair is also known as a______ hair

Gaurd

Whiskers are also known as_____ hairs

Tactile hairs

The outermost layer of a hair is the

cuticle

As an animal ages and it's hair turns white, the medulla becomes filled with

Air

The implantation angle of a hair is increased when the

arrector pili muscle contracts

The white, semiliquid mixture released by sebaceous glands is called

sebum

Another name for a blackhead is

Comedone

Which species of animal produces enough sweat to turn into a white froth

Equine

In which species of animal does sebum eventually become lanolin?

Ovine

A sudoriferous gland is also known as a/an

sweat gland

Which animals have tail glands that help them identify individual animals?

dogs and cats

The tail gland is located on the____ surface of the tail.

Dorsal

Where would you look for anal sacs in a cat?

at 5 and 7 o'clock positions around the anus

Which one of the following animals can retract its claws

cat

Another name for a hooded animal is an

Ungulate

The sensitive tissues of both claws and hooves is the

Coruim

Hooves grow from the

Coronary band

The lateral aspects of an equine hoof wall are called

quarters

The junction of the sole and hoof wall in an equine hoof is called the

white line

Horns emerge from the horn processes of the __ bones.

frontal

Horns are bound to the horn process by

periosteum

Horns are composed of

keratin

Antlers are composed of

bone