Cells Layers Hair Special features Related structures 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50 The hypodermis consists of these cells Category 1 – 10 Points Answer What are Adipocytes The epidermis is made up of this classification of cells Category 1 – 20 Points Answer What are epithelial cells These cells begin at the basement membrane and as they die are pushed towards the surface of the skin Category 1 – 30 Points Answer What are keratocytes (or keratinocytes) These cells have finger-like extensions of their cytoplasm in order to transfer their dark pigments to other cells. Category 1 – 40 Points Answer What are melanocytes? The Langerhans cell is a _____________ found in the epidermis. Category 1 – 50 Points Answer What is a macrophage? This top layer of the epidermis is called what? Category 2 – 10 Points Answer What is the stratum corneum (or cornified layer) The integument of the animal’s skin generally consists of how many layers Category 2 – 20 Points Answer What is 3? The hypodermis layer is also called the _____________ layer Category 2 – 30 Points Answer What is subcutaneous? The dermis is attached to the epidermis by ______________ Category 2 – 40 Points Answer What is dermal papillae? These nerve or touch receptors are found at the top of the dermis Category 2 – 50 Points Answer What is Meissner’s corpuscles Telogen effluvium Category 3 – 10 Points Answer What is blowing the coat? The period of active growth of the hair Category 3 – 20 Points Answer What is the anagen phase? These three layers make up a hair Category 3 – 30 Points Answer What is the medulla, the cortex, and the cuticle? This muscle is responsible for pulling hair into an erect position Category 3 – 40 Points Answer What is the arrector pili muscle? These hairs are used as probes and feelers in animals Category 3 – 50 Points Answer What are tactile hairs? Another word for the animal’s nose Category 4 – 10 Points Answer What is the planum nasale? These infoldings of skin are found in sheep Category 4 – 20 Points Answer What are cutaneous pouches? Eccrine sweat glands are found here Category 4 – 30 Points What are paw pads? Chestnuts and ergots are cornified structures found on this species Category 4 – 40 Points Answer What are horses, ponies, equines The release of melanin granules is controlled by this hormone Category 4 – 50 Points What is MSH (melanocytestimulating hormone) In dogs, this is the first digit Category 5 – 10 Points Answer What is the dewclaw? Declawing a cat is considered an ampution because the claw is connected to this digit 5 – 20 Points Answer What is the third (or distal) phalanx? These sacs fill with foul smelling secretions and are found in the cat and dog Category 5 – 30 Points Answer What are anal sacs? These holocrine glands secrete oily, lipid substance Category 5 – 40 Points Answer What are sebaceous glands? These sweat glands are not attached to hair follicles Category 5 – 50 Points Answer What are eccrine sweat glands?