Animal Anatomy: Integument and Hoof Structure

<p>Wool hairs (D)</p> Signup and view all the answers

<p>Around the mouth and openings (A)</p> Signup and view all the answers

<p>Skin and its covering of hair along with skin glands (A)</p> Signup and view all the answers

<p>To serve as a barrier against environmental hazards (C)</p> Signup and view all the answers

<p>Hair is a specialized part of the common integument. (D)</p> Signup and view all the answers

<p>On the paws of animals (B)</p> Signup and view all the answers

<p>Claws are typically sharper than nails and hoofs. (D)</p> Signup and view all the answers

<p>Digital pad (A)</p> Signup and view all the answers

<p>Frog (A)</p> Signup and view all the answers

<p>Chestnuts (B)</p> Signup and view all the answers

<p>Chestnuts (D)</p> Signup and view all the answers

<p>Projections on the palmar surface (B)</p> Signup and view all the answers

<p>A lack of melanin pigmentation (B)</p> Signup and view all the answers

<p>They prevent water from penetrating to the skin (A)</p> Signup and view all the answers

<p>The distal end of the ectodermal bud forms a bulbous part (C)</p> Signup and view all the answers

<p>It may impair their ability to withstand severe weather (D)</p> Signup and view all the answers

<p>Mesenchymal (dermal) tissue (B)</p> Signup and view all the answers

<p>Detecting mechanical stimulation (D)</p> Signup and view all the answers

<p>Excessive coloration in skin (B)</p> Signup and view all the answers

<p>To smoothen the coat appearance (B)</p> Signup and view all the answers

<p>Thick epidermal covering, dermis, and subcutaneous cushion (A)</p> Signup and view all the answers

<p>Naked and densely cornified (D)</p> Signup and view all the answers

<p>It results in white or pale appearance in skin and hair (B)</p> Signup and view all the answers

<p>They appear earlier (C)</p> Signup and view all the answers

<p>Adipose tissue with collagenous and elastic fibers (B)</p> Signup and view all the answers

<p>Bulb pads (C)</p> Signup and view all the answers

<p>Frog pad (B)</p> Signup and view all the answers

<p>Thick and resilient (A)</p> Signup and view all the answers

<p>To provide lubrication to hair and skin. (B)</p> Signup and view all the answers

<p>Dermal papilla (C)</p> Signup and view all the answers

<p>Humans shed hair seasonally, while most wild species shed many at a time. (D)</p> Signup and view all the answers

<p>Hormonal influences. (B)</p> Signup and view all the answers

<p>Hair follicle matrix. (D)</p> Signup and view all the answers

<p>Coarse guard hair. (B)</p> Signup and view all the answers

<p>It causes hair to stand up when contracted. (C)</p> Signup and view all the answers

<p>Many glands open independently, not into hair follicles. (D)</p> Signup and view all the answers

The ordinary skin covering with hair and glands, including claws, hoofs, and horns.

The skin serves to protect, regulate temperature, and provide sensation.

Various forms of hair with different development stages in mammals and their functions.

Specialized structures under the feet of animals for protection and mobility.

Keratinized structures on digits, differing in shape and function across species.

The skin layer lying above the subcutis, containing connective tissue.

Loose connective tissue layer beneath the dermis; also called hypodermis or superficial fascia.

A pigment responsible for color in hair and skin, produced by melanocytes.

Stiff, straight hairs that form the topcoat of the animal's fur.

The underside of the foot in pigs and cows, includes structures like the bulb and sole.

The soft, rounded area at the back of the hoof that helps absorb impact.

The flat part of the hoof that makes contact with the ground, providing support.

Small, keratinized structures located on the legs of horses, their purpose is not fully understood.

A soft, triangular structure on the underside of a horse's hoof aiding in shock absorption.

Congenital absence of pigmentation, causing white hair/skin.

Results in white features and pink eyes in various animals.

Promote rain runoff to prevent chilling of the skin.

Abnormal hair distribution can impair weather endurance.

Hair grows from follicles developed from ectodermal buds.

A structure that aids in forming the primitive hair follicle.

Glands associated with hair follicles for lubrication and cooling.

Hair with nerve endings that respond to mechanical stimuli.

They amplify mechanical disturbances via wave motion in the blood.

A bulging or rounded projection, often referred to as a pad.

Composed of cornified epidermis, unremarkable dermis, and thick subcutis with fibers.

Digital cushions allowing animals to walk comfortably and protect their feet.

Only digital pads called bulbs located in the hoof, functional for support.

A specific type of digital pad located in the hoof of horses.

Digital, metacarpal, metatarsal, and carpal pads present in various animals.

A skin structure that produces hair and contains various glands.

A small structure that provides nutrients to the hair follicle and helps in growth.

A gland that secretes oil to lubricate hair and skin.

A gland that produces sweat, aiding in cooling and waste removal.

The process of hair growth and shedding over time.

Hormones affect the growth and characteristics of hair, including guard hairs.

Many wild animals shed hair at certain times, unlike humans who shed gradually.