-
The nucleus contains how may chromosomes?
46
-
Three types of RNA necessary for protein synthesis
Messenger, Transfer, Ribosomal
-
Join cells together
Desmosomes
-
Attach a cell to a non-cell surface
Hemidesmosomes
-
Lymph, fat, cartilage, bone and blood are examples of which type of tissue?
Connective
-
Epithelial tissue, hair and nails are derived from...
Ectoderm
-
The endothelium from endocerm lines what?
GI tract and lungs
-
The mesothelium from mesoderm lines what?
Peritonial cavity, renal tubules, blood vessels, and lymph vessels
-
The main purpose of the epithelial tissue
Maintain homeostasis
-
Simple epithelial tissue is involves in...
The internal organs
-
Connective tissue is derived from which embryonic tissue?
Mesenchyme
-
Three types of cartilage
Hyaline, elastic and fibrocartilage
-
The most abundant type of cartilage
Hyaline
-
Type of cartilage composed of only collagen fibers
Hyaline
-
Type of cartilage found in the trachea, nasal septum, and the articular ends of bone
Hyaline
-
Similar to hyaline cartilage but contains more elastic fibers
Elastic
-
Type of cartilage found in the ear, auditory canal and epiglottis
Elastic
-
Type of cartilage that supports and withstands compression
Fibrocartilage
-
Type of cartilage found in the intervertebral discs and the pubic symphysis
Fibrocartilage
-
In adults blood cells are produced in the:
Cranial bones, pelvis, ribs, sternum, and vertebrae
-
Muscle is derived from which embryonic tissue?
Mesoderm
-
Cardiac cells are joined together by
Intercalated discs
-
Neural tissue is derived from which embryonic tissue?
Neuroectoderm
-
3 types of granulocytes
Basophils, eosinophils, and neutrophils
-
WBC involved in allergic responses and parasitic infections
Eosinophils
-
Not seen in normal circulation. Activated when allergen causes IgE reaction
Mast cells
-
Two types of agranulocytes
Lymphocytes and monocytes
-
Lymphocyte that produces antibodies
B cells
-
Lymph nodes are derived from which embryonic tissue
Mesoderm
-
Tonsils develop around which week of gestation?
8
-
Which gland releases melatonin
Pineal
-
The embryonic period lasts until week
8
-
The face starts to develop during which week?
4
-
The face is completed by which week?
12
-
Type of cartilage that composes the embryonic mandible
Meckle's Cartilage
-
During week 1 of gestation the baby is considered a...
Zygote
-
During week 2 the baby is comsidered a...
Blastocyst
-
What develops during week 3 of embryonic development?
Brain, hear, spinal cord, GI tract
-
What develop during weeks 4-5 of embryonic development?
Cranial nerves, eyes and ears, vertebra and some bones, blood vessels, arm and leg buds
-
What develops during week 6 of embryonic development?
Lungs, more brain, more heart, digits
-
What develops during weeks 7-8 of embryonic development?
Facial features, hair follicles, all major organs developing
-
What develops during weeks 9-12 of fetal development?
Tooth buds, urogenital tract, genitals
-
The tongue develops during which week
The end of the fourth week
-
The tongue develops from which branchial arches?
1-4
-
The muscles of mastication start forming during which week?
5
-
Palatal formation occurs by which week?
12
-
Lip formation occurs by which week?
6
-
Develops from endoderm in the foramen cecum of the tongue during the 4th week
Thyroid
-
Odontogenesis occurs during which week?
7
-
This gives rise to the dental papilla, dentin matrix, pulp cavity, dental sac, cementum, PDL, and alveolar bone
Ectomesenchyme
-
Teeth are derived from...
Mesenchyme
-
Stage occurs around week 8. Dental anomalies during this stage would include microdontia and macrodontia
Bud Stage
-
Proliferation occurs, tissues differentiate, Dental anomalies would include: dens in dente, fusion, gemination, or tubercles
Cap Stage
-
Tissues of the tooth are derived from the:
Mesoderm and ectoderm
-
What determines the shape of the crown?
Enamel organ
-
Muscles of mastication are derived from which branchial arch?
1
-
The muscles of facial expression are derived from which branchial arch?
2
-
The stylopharyngeal muscle is derived from which branchial arch?
3
-
The laryngeal cartilages and muscles of the pharynx and larynx are derived from which branchial arch?
4
-
When ER modifies new protein, it sends the new protein to the
Golgi Complex
-
Part of the cell that synthesizes proteins and transports nutrients
Cytoplasm
-
First line of defense in acute infections. Phagocytes against invading antigens
Neutrophils
-
Release histamine during allergic reactions
Eosinophils
-
Determines the shape and length of the root
Hertwig's root sheath
-
Which stage determines the size and shape of the crown?
Bell
-
Highly vascular tissue under the basement membrane
Lamina Propria
-
Located between inner enamel epi and outer enamel epi
stratum intermedium
-
The tonsils develop during which week?
8
-
Type of RNA that carries specific amino acids
Transfer RNA
-
Type of RNA that is a template for protein synthesis
Messenger RNA
-
Cleft lip can happen during which weeks
4-7
-
Cleft palate occurs during weeks
8-12
-
Blood cells with segmented multilobulated nucleus
Neutrophils
-
Hemoral immunity is associated with which cells?
B-cells
-
Involved in cell mediated immunity responding to specific antigens
T-cells
-
Ameloblasts are derived from the
Inner enamel epithelium
-
Protective barrier for tooth formation
Outer enamel epithelium
-
Desintegrates into the rests of malassez
Hertwig's sheath
-
WBC involved in chronic inflammation
Monocytes
-
Cells involved in humoral immune response
Plasma cells
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