PREFINALS Flashcards
Digestive, Respiratory, Urinary
What is the function of the Respiratory System?
External respiration (lungs)
What is the barrier which separates blood in capillaries from the air in the alveoli?
Blood Air Barrier
The Blood Air Barrier consists of what type of Pneumonocyte?
Type 1
What tissues are part of the basal lamina of the Blood Air Barrier?
What cell is in the Blood Air Barrier?
Capillaries
What are the histologic layers part of the Mucosa of the Respiratory System?
Epithelium
Lamina Propria
Muscularis mucosae
What are the histologic layers part of the Submucosa of the Respiratory System?
Connective tissue
Absent in some segments
Lymphoid tissues
What are the types of muscles part of the Muscularis of the Respiratory System?
Skeletal
Smooth
What type of tissue is in the Adventitia of the Respiratory System?
LCT
The nose divides into which of the following cavities?
Two fossae
What is the cartilaginous wall of the nose called?
Nasal Septum
What is the function of the nose?
Respiration and olfaction
What is the continuous with the pharynx that is bounded by ___________ and _______?
Anterior naris
Posterior naris
What forms the medial wall of the nasal cavity?
Nasal septum
What are the three lateral walls of the nasal cavity?
Superior
Middle
Inferior
The framework of the roof, walls and floor of the nose is formed by what?
Bone
Hyaline cartilage
Externally the nose is covered by ____________?
Skin
Internally the nose is covered by ____________?
Mucous membrane
The _____________ is lined by skin
Vestibule
What are the layers of the mucosa?
Epithelium,
Lamina Propria
Muscularis mucosae
The nasal mucosa is lined by what tissue?
Respiratory Epithelium
At the junction of the vestibule and nasal cavity what is the epithelium?
Non-ciliated cuboidal or columnar
At the roof of the cavity, what is the epithelium?
Olfactory epithelium
What does the lamina Propria contain?
Mucous
Serous membrane
MALT
Venous plexuses in nasal turbinates
What are the six cell types under respiratory epithelium?
Ciliated columnar cell
Goblet cell
Brush cell
Serous cell
Basal cell
Granule cell (Kluchitsky)
Most abundant cell in respi epi
Ciliated columnar cell
Which cell is a columnar cell with microvilli associated with the Afferent Nerve?
Brush cell
Which cell is a non-ciliated columnar cell which has dense apical granules?
Serous cell
Which cell is short and has a rounded cell?
Basal cell
Granular Cell is also known as what cell?
Kluchitsky
Small cell and is functionally similar to neuroendocrine cell in digestive tract?
Granule cell
What cell contains the hormone: Catecholamine?
Granule cell
What epithelium is at the roof of the nasal cavity?
Pseudo
What epithelium is over the superior turbinate?
Pseudo
What epithelium is at the adjacent parts of the nasal septum?
Pseudo
Which epithelium contains the receptor for sense of smell?
Olfactory epithelium
What is the color of the olfactory epithelium?
Yellowish brown
The Olfactory Epithelium does NOT have Goblet Cells, True or False?
TRUE
The Olfactory Epithelium does NOT have Olfactory Glands, True or False?
FALSE
The Olfactory Gland is also known as what?
Bowman’s glands
This gland has branched Tubuloalveolar Glands?
Olfactory glands
What are tubuloalveolar glands?
Serous
What are the three cell types under the Olfactory Epithelium?
Sustentacular (Supporting) cell
Olfactory cell
Basal cell
What cell has a broad apical region, narrow base and microvilli?
Sustentacular cell
What cell contains lipofuscin granules for structural and functional support?
Sustentacular cell
What cell is spindle-shaped bipolar neurons?
Olfactory cell
The dendrites terminate what?
Olfactory vesicles
The surface of epithelium has what?
Olfactory cilia
It is unmyelinated and meets with the olfactory nerve fibers of other olfactory cells.
Axon
What nerve is in the Olfactory Epithelium?
Olfactory nerve
The Olfactory nerve forms a ______ which enters the cranial cavity through perforation in the cribriform plate of the Ethmoid bones to terminate the olfactory bulb.
Fila Olfactoria
What cell is small, rounded or conical stem cells of sustentacular and olfactory cells?
Basal
The secretions serve as a solvent for ____ ?
Epithelial surface
The secretions moisten the ____ ?
Odoriferous substances