chapter 5 smart book Flashcards
Melanosomes are transferred to keratinocytes in the stratum basale via the process of ______ or exocytosis.
phagocytosis
In the layer of the epidermis called the stratum ______, the process of keratinization begins.
granulosum
Melanin is transferred in membrane-bound vesicles from _____ to keratinocytes in the stratum basale.
mealnocyes
During the process of keratinization, ______ disintegrate and the cells start to die. Also their membranes become thicker and less permeable.
organelles
Hemoglobin exhibits a ______ color.
red
There are two types of melanin, _________ and pheomelanin, together they produce various ratios of yellow, reddish, tan, brown, and black shades
eumelanin
Melanosomes are transferred to keratinocytes in the stratum basale via the process of ______ or exocytosis.
phagocytosis
The main structural components of the reticular layer is primarily a network of ______ fibers that extend internally from the reticular layer of the dermis into the underlying subcutaneous layer.
collagen
During the process of keratinization, ______ disintegrate and the cells start to die. Also their membranes become thicker and less permeable.
organelles
The reticular layer contains ______
dense irregular connective tissue
Vasodilation of the dermal blood vessels means that the diameter of the vessels ______, so relatively ______ blood can travel through them.
increase , more
The reticular layer of the dermis is __
deep to the papillary layer
The nail matrix is the __
actively growign part
The connective tissue root sheath of a hair follicle are derived from the ______.
dermis
Extending from the dermal papillae to the mid-region of the hair follicles are thin ribbons of smooth muscle that are collectively called the ______ muscles.
arrector pili
The reticular layer contains ___
dense irregular connective tissue
Extending from the hair follicle to dermal papillae are muscles called _____.
arrector pili
The root and shaft of a hair consist of ______ epithelial cells, while the hair bulb contains ______ epithelial cells.
dead, living
The connective tissue root sheath of hair originates from the ______.
Multiple choice question.
dermis
The two types of sweat glands in the skin are ______ sweat glands and ______ sweat glands.
merocrine, apocrine
Gray hair results from the gradual reduction of ______ production.
melanin
Sebaceous glands are classified as ______ glands that discharge an oily, waxy secretion called ______.
holocrine, sebum
The skin houses two types of general exocrine glands, which are ________ glands and _______ glands.
sweat, sebaceous
A type of gland associated with a hair follicle is usually a ______ gland.
sebaceous
The secretion from merocrine sweat glands are carried to the surface of the epidermis via ______. The secretions of apocrine sweat glands are carried into _________
sweat ducts/hair follicles
The secretions of sebaceous glands, called ______ is usually deposited into a ______.
sebum, hair follicle
The mammary glands of the breasts are modified ______ glands.
apocrine sweat
The two types of sweat glands in the skin are ______ sweat glands and ______ sweat glands.
merocrine, apocrine
Sebaceous glands are classified as ______ glands that discharge an oily, waxy secretion called ______.
holocrine, sebum
The secretion from merocrine sweat glands are carried to the surface of the epidermis via ______. The secretions of apocrine sweat glands are carried into __________
sweat ducts/hair follicles
which body membrane functions to prevent desiccation and provide surface lubrication
mucous
how many layers of tissuse are there in the periosteum , which covers the outer surface of the bone
2
what item is a congenital abnormality of the skin that results in skin discoloration due to blood vessels that proliferate and form a benign tumor
A hemangioma
what type of cartilage is articular cartilage, which covers the epiphysis of long bones, made of
Hyaline
The anatomical region of the body usually described as the “cheek” is called the ____ region
buccal
