• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

image

PLAY BUTTON

image

PLAY BUTTON

image

Progress

1/79

Click to flip

79 Cards in this Set

  • Front
  • Back
The outer cutaneous surface of the lip consists of ?
- Epidermis
- Dermis
- Hair follicles
- Sebaceous glands
- Sweat glands
What are the glands found in inner oral mucosa of the lip?
Small salivary glands (Labial glands)
What is between the outer and inner cutaneous surface of the lip?
- Vermillion border
What is the masticatory mucosa?
Stratified squamous epithelium and lamina propria of the hard palate.
What glands are found on the hard palate?
Palatine glands
What is the difference between mucous and mucus?
Mucous: Adjective form
Mucus: Noun
How are the tongue separate?
Anterior 2/3
Posterior 1/3
What separates the anterior and posterior tongue?
Sulcus terminalis
What are the 3 surface projections found on the tongue?
Lingual papillae:
- Filiform papillae
- Fungiform papillae
- Circumvallate papillae
What are Filiform papillae?
Pointy projection that does not contain test buds but have layers of keratin. Mechanical in function
What are Fungiform papillae?
Mushroom projections that contain test buds and have parakeratinized epithelium
What are the circumvallate papillae?
Truncated cones with taste buds, salivary glands (von Ebner's glands) and stratified squamous epithelium.
What is the function of circumvallate papillae?
To flush material from the base of the papillae.
Which salivary glands are serous and which are mucuous?
Parotid: Serous
Sublingual: Mixed sero-mucous
Submaxillary: Mixed sero-mucous
What is the general 4 layer structure found in the GI tract?
1. Mucosa
2. Submucosa
3. Muscularis externa
4. Adventitia
What is the mucosa composed of?
1. Epithelial lining
2. Lamina propria
3. Muscularis mucosae
Muscle distribution of muscularis externa in esophagus
Upper 1/3: All skeletal
Mid 1/3: Inner=smooth, Outer=skeletal
Lower 1/3: All smooth
What are the 3 layer of muscle in the stomach?
- Inner oblique
- Middle circular
- Outer longitudinal
What are the glands found in the submucosa of the duodenum and what is its function?
Glands of Brunner - Mucus secretion
What do you find in the middle of the villi of the jejunum and what do they contain?
Lacteal contain chyle (Lymph + fat)
What specialized Eosinophilic cells do you find in the Ileum and what are their function?
Paneth cells - Secrete antimicrobial agents (Lysozyme)
What is the border between esophagus and stomach called?
Z-line
What is the boundary between rectum and anus called?
Pectinate line
What cell types are found in the switch from colon to anus?
Simple columnar --> Stratified columnar --> nonkeratinized stratified squamous epithelium.
What capusle lines the outside of the liver?
Capsule of Glisson
Where does exchange of metabolites between hepatocytes and blood happen?
In the perisinusodial spaces of Disse
For the zones of portal acinus, what are they based on?
Proximity to the portal tracts.
What is special about the endothelium of the liver?
They are fenstrated.
What are the layers of the gallbaldder?
- Inner mucosa
- Muscularis
- Serosa or Adventitia
What are the stages of RBC formation?
1. Proerythroblast
2. Basophilic Erythroblast (Early Normoblast)
3. Polychromatic Erythroblast (Intermediate Normoblast)
4. Normoblast
5. Reticulocytes
What are the 2 types of granules found in WBC?
- Azurophilic
- Specific granules
What type of granules do you find in myeloblast and promyelocytes?
Azurophilic granules
How many lobes does a child's thymus have?
2
Each lobe in the thymus is divided into?
Darker peripheral zone (cortex) and lighter central zone (medulla)
What does the cortex of Thymus contain?
- Developing T-lymphocytes
- Epithelial Reticular Cells
- Macrophages
What are developing T-lymphocytes also called?
Thymocyte
What are the function of epithelial reticular cells?
Supportive, providing a 3-dimensional framework to the thymus and forms the Thymic-blood barrier.
How are ERCs linked to each other?
By desmosomes
What are Hassall's corpuscles?
Flattened epithelial reticular cells arranged in a concentric manner filled with keratin filaments
What does the parenchyma of the thymus get replaced by as a person age?
Adipose tissue.
What are the 2 components of the spleen?
- White pulp
- Red pulp
What is the function of white pulp?
Immunological role
What is the function of red pulp?
Destruction of aged erythrocytes
What do you find in the red pulp?
Splenic cords & sinuses
What fibers support the spleen and what cells produce those fibres?
Reticular fibres by reticulocytes
What special structure can you find int he paracortex of lymph nodes and what are their function?
High endothelial venules: Passage of B & T cells from blood into the lymph nodes.
What are Ostecytes actively doing?
Osteocytic osteolysis
What are osteoblast, osteocyte, osteoclasts derived from?
Osteoblast & osteocyte, mesenchyme cells
Osteoclast: Monoctye lineage
What are the 5 zones in the growth plate?
1. Reserve zone
2. Proliferation zone
3. Hypertrophy zone
4. Zone of calcified cartilage
5. Zone of resorption (Osteogenic zone)
What are the 2 layers of the perichondrium?
1. Outer fibrous layer
2. Inner chondrogenic layer
Chondrocyte grouped together are called?
Isogenous Nests
What are the basophilic staining matrix around chondrocyte?
Territorial matrix
What are the eosinophilic staining matrix between the chondrocytes?
Interterritorial matrix
What kind of tissue is epiglottis and intervertebral disk?
Epiglottis: Elastic tissue
IV disk: Fibrocartilage (Annulus fibrosis)
Where can you find fibrocartilage? (4)
Annulus fibrosis
Pubic symphysis
Menisci
Insertion of tendons into bone
What type of collagen is tendons composed of?
Type I collagen
What are the CTs covering tendons?
Epitenon: Tendon
Endotenon: Fascicles
What is collagen composed of?
Tropocollagen
What do you find at the muscle-tendon junction?
Sarcolemmal densities
What proteins are found in sarcolemmal densities? (4)
Vinculin
α-actinin
Talin
Integrins
What type of gland is the pancreas composed of?
Compound tubuloacinar gland with serous acini
What ducts can you find in the pancreas?
- Intercalated ducts
- Intralobular ducts
- Interlobular ducts
What is the anterior pituitary derived from?
Oral ectoderm which forms the Rathke's poutch
What is the posterior pituitary derived from?
Neuroectoderm
What are the components of the anterior lobe?
1. Pars distalis
2. Pars tuberalis
3. Intermediate lobe
What are the components of the posterior lobe?
1. Pars nervosa
2. Infundibular stalk
What does the intermediate lobe look like?
Colloid-filled cyst
Are neurons in the posterior pituitary myelinated or unmyelinated?
Unmyelinated
What are Herring bodies?
Storage terminal ends of axons. Contain dense neurosecretory granules.
What kind of capillaries are found in the pituitary?
Fenestrated
What are pituicytes?
Astrocyte-like cells that support the surrounding neurosecretory axons of the posterior pituitary.
What is pineal gland composed of and what do they release?
Pinealocytes release Melatonin.
What is the function of melatonin?
Regulate circadian rhythms.
What concretions do you find in teh pineal gland?
Brain sand (Corpora aranacea)
Unknown function, can bee seen on X-ray.
What are the embryonic origin of adrenal cortex?
Mesoderm
What are the embryonic origin of adrenal medulla?
Neural crest ectoderm
What cells are found in the zona fasciculata?
Spongiocytes
What are the 2 type of cells you find in the thyroid?
- Follicular epithelium
- Parafollicular epithelium
What are the 2 type of cells you find in the parathyroid?
- Principal (Chief) Cells
- Oxyphil Cells