Exam 2 Flashcards
What causes the dispersion of melanin granules? this is what causes different pigments in animals. This hormone originates in the intermediate lobe of the hypophysis.
Melanocyte stimulating hormone
Where would you be most likely to find transitional epithelium
in the bladder of the urinary tract
In a compound follicle a primary hair is also known as a ______ hair
guard
Which type of melanin causes hair to appear yellowish and reddish?
Pheomelanin
What is the main, hard part on the bottom of the horse’s hoof known as?
Sole
How would you classify the following epithelium? Long column-shaped cells in a single layer
Simple columnar epithelium
Goblet cells produce:
mucus
How would you classify the following epithelium? Short, square-shaped cells in a single layer
Simple cuboidal epithelium
Where would you be most likely to find stratified squamous epithelium?
lining the inside of the mouth
Where would you most likely find keratinized squamous epithelium?
on the skin
Where would you be most likely to find pseudostratified ciliated columnar epithelium?
in the trachea of the respiratory tract
Which dark, cornified structures are found at the level of the equine fetlock?
ergots
The innermost layer of a hair is the
medulla
Where would you most likely to find simple squamous epithelium?
in the areas of the lungs where gas is exchanged
In a ruminant, which of the following digits are weight bearing?
3 & 4
What is the triangular shaped soft part of the bottom of the hoof called?
frog
How would you classify the following epithelium? Multiple layers with thin flat cells on top
stratified squamous epithelium
What is the Pacinian corpuscle and where is it found?
Touch receptor/hypodermis
What would you call the groove that lies in between the sole of the hoof and the frog
Collateral sulcus
The basal surface of an epithelial cell
faces the underlying connective tissue
The portion of a serous membrane that lines the organ is:
visceral layer
Another name for a hoofed animal is an
ungulate
Equine hoof growth originates from where?
Coronary Band
Chestnuts are found on what surface of the leg?
medial
Which phase of hair growth is the resting phase, in which no growth occurs
telogen phase
How would you classify the following epithelium? Single layer of flat, thin cells
Simple squamous epithelium
How would you classify the following epithelium? Tall, column-like cells that have nuclei at different levels and have tiny hairs on the surface
pseudostratified ciliated columnar epithelium
In which species of animal does sebum eventually become lanolin
ovine
Another name for the integument is
cutaneous membrane
Which layer are you least likely to find in the epidermis of a furred animal
stratum lucidum
What is the name of the epithelial tissue lining blood vessels?
endothelium
The ______ anchors an epithelium cell to its underlying connective tissue
basement membrane
The thinnest epithelial cells are fragile and are found lining surfaces involved in the passage of liquids or gasses. They are classified as
simple squamous
When given a picture of a muscle cells under a microscope. What characterizes the following muscle type?
Involuntary, striated
What is the most superficial layer of the epidermis?
Stratum corneum
Which layer of the epidermis contains melanocytes ?
stratum basale
Which layer of the epidermis contains actively dividing cells?
stratum germinativum
Tendons are made of what type of connective tisse?
dense regular connective tissue
What is the purpose of cilia?
coordinated movement of particles on the luminal surface
Meisner’s corpuscles are found in what layer of skin?
papillary dermis
The apical surface of an epithelial cell
faces the lumen of the body cavity
An osteoblast will produce the fibers and ground substance for
bone
the pigment found in skin is produced by
melanocytes
The urinary bladder is partially lined by __________, giving it the ability to expand and contract as needed
Transitional epithelium
Because it is a site of heat production, this type of connective tissue is found in animals that hibernate during the cold winter months.
brown adipose tissue
The most abundant tissue type by weight in the body is
connective tissue
Which surface of an epithelia cell lies closest to its blood supply
basal surface
What are Langerhans cells and where are they found
Specific macrophage/epidermis
What is the purpose of microvilli?
increase surface area for absorption
During which phase of hair growth are hairs actively growing?
Anagen phase
Sheep have all of the following except
Axillary cutaneous pouch
