Study sets matching "embryology ms"

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Study sets matching "embryology ms"

58 terms
SABSII: MS Embryology - Misc Review
Following gastrulation, embryo consist…
What layer will start out as the neura…
_______ is much of the origin of the…
Paraxial mesoderm derivatives
Ectoderm... Mesoderm... Endoderm
ectoderm... ...which becomes the neural crest.
Mesoderm... paraxial mesoderm... intermediate mesoderm... lateral pla…
- axial skeleton... - voluntary MUSCulature... - dermal layer…
Following gastrulation, embryo consist…
Ectoderm... Mesoderm... Endoderm
What layer will start out as the neura…
ectoderm... ...which becomes the neural crest.
24 terms
Embryology - MS and NS
What is the pre-embryonic period?
What is the embryonic period?
What is the fetal period?
What is gastrulation?
First two weeks after fertilisation
Weeks 3 - 8... Develops of all major organs... Includes: gastrulati…
weeks 8 - 38
Process of cells from epiblast migrating to form the three ge…
What is the pre-embryonic period?
First two weeks after fertilisation
What is the embryonic period?
Weeks 3 - 8... Develops of all major organs... Includes: gastrulati…
101 terms
AS: Embryology I, II, and MS
In what order does embryology proceed?
Fertilization typically occurs where?
Fertilization describes what process?
Will the male or female gamete determi…
1. Fertilization... 2. Zygote... 3. Morula... 4. Blastula... 5. Gastrula…
in the ampulla of fallopian tube.
two haploid cells fuse to form a diploid cell (zygote).
*the male gamete (sperm) will carry sex chromosome to determi…
In what order does embryology proceed?
1. Fertilization... 2. Zygote... 3. Morula... 4. Blastula... 5. Gastrula…
Fertilization typically occurs where?
in the ampulla of fallopian tube.
38 terms
MS - 7 - Embryological development
what is in the paraxial mesoderm?
what is in the lateral mesoderm?
where is embryonic connective tissue d…
where are the somites in the occipital…
axial skeleton... voluntary musculature... dermal layer of skin in…
appendicular skeleton ... splanchnopleuric mesoderm (with endode…
mesoderm and neural ectoderm
paraxial mesoderm
what is in the paraxial mesoderm?
axial skeleton... voluntary musculature... dermal layer of skin in…
what is in the lateral mesoderm?
appendicular skeleton ... splanchnopleuric mesoderm (with endode…
Week 1 MS1 Embryology
During implantatino the Inner Cell Mas…
What are primordial germ cells?
where are PGCs first detected?
Where do PGCs migrate to?
epiblast and hypoblast
precursor cells to gametes
Yolk Sac
Gonadal Ridge
During implantatino the Inner Cell Mas…
epiblast and hypoblast
What are primordial germ cells?
precursor cells to gametes
20 terms
Embryology 6 (Lecom MS1 class of 2020)
Mesoderm benign tumors
Mesoderm malignant tumors
Ectoderm benign tumors
Ectoderm malignant tumors
-angiomas
-sarcomas
-papilloma/adenomas
-carcinomas
Mesoderm benign tumors
-angiomas
Mesoderm malignant tumors
-sarcomas
57 terms
MSNS1 E1 Embryology/ MS Structure
Intraembryonic mesoderm is found on?
Intraembryonic mesoderm will form?
What form into the three body areas?
Branchial Arches
Both sides of notochord and neural tube
paraxial mesoderm
paraxial mesoderm... Lateral plate mesoderm... Neural crest cells
paraxial mesoderm will develop into BRANCHIAL ARCHES that wil…
Intraembryonic mesoderm is found on?
Both sides of notochord and neural tube
Intraembryonic mesoderm will form?
paraxial mesoderm
41 terms
Skin/MS: Ach - Embryologic Development of Bones
True
Achondroplasia
Acromegaly
Gigantism
True or false: nearly all bones have primary ossification cen…
This is an autosomal dominant condition (also can result from…
This refers to enlargement of the head, hands and feet due to…
This condition is characterized by overall large size (height…
True
True or false: nearly all bones have primary ossification cen…
Achondroplasia
This is an autosomal dominant condition (also can result from…
98 terms
MS- Embryological Development of the Musculoskeletal System I and II: Skeleton, Muscle, and Limbs- Class Hints ONLY
Most of skull is NC derived, ________…
FoxD3 and Slug expressed at neural f…
migrate from neural tube
neural crest cells by the factors that…
parietal bone
neural crest
neural crest cells
- secreted... - where
Most of skull is NC derived, ________…
parietal bone
FoxD3 and Slug expressed at neural f…
neural crest
Cardiovascular Embryology
heart
Primary Heart field... migration and ori…
primary heart field... development
cardiogenic region
22-24 days after fertilization
progenitor heart cells ... from epiblast --> primitive streak -…
underlying pharyngeal endoderm induces primary heart field --…
horseshoe endiothelial lined blood islands surrounded by card…
heart
22-24 days after fertilization
Primary Heart field... migration and ori…
progenitor heart cells ... from epiblast --> primitive streak -…
GI embryology
Summary of germ layer contributions
lateral body folding
developmental fate of foregut, midgut,…
allantois
- endoderm: mucosal epithelium, mucosal glands, and submucosa…
- consequence of lateral body folding leaves the embryo with…
- gut is definitively divided into foregut, midgut, and hindg…
- joins hindgut to form cloaca
Summary of germ layer contributions
- endoderm: mucosal epithelium, mucosal glands, and submucosa…
lateral body folding
- consequence of lateral body folding leaves the embryo with…
17 terms
Embryology
Paraxial Mesoderm
Development of Skeletal System
Development of Bone
Development of cartilage
Develops into muscles of head, striated skeletal muscle of tr…
After three weeks the intraembryonic mesoderm thickens to for…
Intramembranous ossification (form from preexisting membranou…
Formation of chondrification centers within mesenchyme. Mesen…
Paraxial Mesoderm
Develops into muscles of head, striated skeletal muscle of tr…
Development of Skeletal System
After three weeks the intraembryonic mesoderm thickens to for…
36 terms
Embryology: GI System
Contribution to the gut tube. Endoderm
Contribution to the gut tube. Mesoderm
Contribution to the gut tube. Ectoderm
Folding of the embryo results in...
Epithelial lining of GI tract from pharnyx to upper 2/3 of an…
Connective tissue and smooth muscle
**neural crest cells→ contributes to ganglia... Epithelium of en…
The incorporation of a portion of the endoderm lined yolk sac…
Contribution to the gut tube. Endoderm
Epithelial lining of GI tract from pharnyx to upper 2/3 of an…
Contribution to the gut tube. Mesoderm
Connective tissue and smooth muscle
48 terms
Embryology: Development of the Genital System
The determination of genetic sex occur…
Migration of Germ cells -... Week 2
Migration of Germ cells -... Week 3
Migration of Germ cells -... Week 5
Time of fertilization... The key to sexual dimorphism is the Y…
Arise from Epiblast
Yolk sac
Migrating through the dorsal mesentery of the hindgut
The determination of genetic sex occur…
Time of fertilization... The key to sexual dimorphism is the Y…
Migration of Germ cells -... Week 2
Arise from Epiblast
69 terms
Embryology Notes Clinicals: Exam 2
Ectopia cordis
Sudden infant death syndrome (SIDS)
Atrial septal defects (ASD)
Ventricular septal defect (VSD)
Failure of the ventral body wall to close, resulting in an ex…
May be caused by cardiac conduction abnormalities
Can involve:... - Persistent ostium secundum... - Common atrium…
Muscular defect: common but spontaneously resolve... Membraneou…
Ectopia cordis
Failure of the ventral body wall to close, resulting in an ex…
Sudden infant death syndrome (SIDS)
May be caused by cardiac conduction abnormalities
199 terms
Embryology
what happens in week 1?
what happens in week 2?
what happens in week 3?
week 3-8 is known as what period?
implantation
bilaminar germ disc
trilaminar germ disc gastrulation
embryonic period
what happens in week 1?
implantation
what happens in week 2?
bilaminar germ disc
37 terms
Embryology: Development of the Urinary System
The urinary system develops mainly fro…
The kidney develops in 3 stages:
Pronephros (week 3-4)
Mesonehros (weeks 4-8)
Intermediate mesoderm ... Connective tissue ... ** The column of i…
1. Pronephros... 2. Mesonephros ... 3. Metanephros
Forms in cervical region ... In mammals→ non-functional and regr…
Mesonephros is the embryonic kidney... Forms in the lumbar regi…
The urinary system develops mainly fro…
Intermediate mesoderm ... Connective tissue ... ** The column of i…
The kidney develops in 3 stages:
1. Pronephros... 2. Mesonephros ... 3. Metanephros
Chapter 2 Embryology LECOM 2015!!
Where do the gamete-forming cells come…
How do the male gametes form?
The development of sperm occurs in the…
Sertoli cells
The germ cells arise from the epiblast and during the 2nd wee…
In the male, the primordial germ cells lay dormant until pube…
a. Spermatogonia (primordial germ cells that migrated from th…
Sertoli cells differentiate into a network of seminiferous tu…
Where do the gamete-forming cells come…
The germ cells arise from the epiblast and during the 2nd wee…
How do the male gametes form?
In the male, the primordial germ cells lay dormant until pube…
37 terms
Embryology - Heart Formation
Cardiac Progenitor Cells migrate from?…
Primary Heart Field location
Horseshoe shaped cardiogenic area form…
3 layers of heart tube
epiblast cells migrate into splanchnic mesoderm around week 3
cranial near oropharyngeal membrane
Day 19 - Primary Heart Field (PHF) cells induce underlying en…
Epicardium - external connective tissue... Myocardium - muscle... E…
Cardiac Progenitor Cells migrate from?…
epiblast cells migrate into splanchnic mesoderm around week 3
Primary Heart Field location
cranial near oropharyngeal membrane
51 terms
Ms. T Chapter 1: Anatomy and Physiology
microscopic anatomy
cytology
histology
developmental anatomy
also known as fine anatomy need the microscope to see
study of cells
study of of tissue
studies the growth and development of an organism during its…
microscopic anatomy
also known as fine anatomy need the microscope to see
cytology
study of cells
39 terms
Embryology: Development of the body cavities
Somatic mesoderm is the ______ layer a…
Splanchnic mesoderm is the _____ layer…
Where is the intraembryonic coelom?
Parietal and visceral layers of the Ch…
parietal; GSA fibers
viscera; GVA fibers
Space b/w the somatic and splanchnic layers; lateral mesoderm
the Dorsal Mesentary
Somatic mesoderm is the ______ layer a…
parietal; GSA fibers
Splanchnic mesoderm is the _____ layer…
viscera; GVA fibers
31 terms
Embryo Exam 1 Clinical
Down Syndrome
Prader-Willi
Angleman
Turners syndrome
trisomy 21, epicanthal folds, small ears, hypotonia
hypotonia, obesity, hypogonadism, microdeletion on paternal c…
laughter, maternal deletion 15, usually have autism
webbed neck, wide spaced nipples, strea ovaries... 45, X
Down Syndrome
trisomy 21, epicanthal folds, small ears, hypotonia
Prader-Willi
hypotonia, obesity, hypogonadism, microdeletion on paternal c…
27 terms
Embryo 1-2
Early Development
Embryonic Period
Fetal Period
Congenital Anomaly
0-2 weeks... fertilization and implantation, proliferation, axes…
3-8 weeks... organs and body parts form, organs have high sensat…
9-38 weeks... increase in weight... brain, eyes, teeth, palate, ear…
abnormality of development present at birth
Early Development
0-2 weeks... fertilization and implantation, proliferation, axes…
Embryonic Period
3-8 weeks... organs and body parts form, organs have high sensat…
23 terms
Embryonic and Fetal Periods
Neurulation
Neural crest cells
Neural crest derivatives
Surface ectoderm gives rise to
Ectoderm thickens and becomes known as neural plate
Migrate through embryo and create different cell types
parasympathetic ganglia CN 3 7 9 10... sensory ganglia CN 5 7-10…
epidermis, hair, nails, APG, teeth, internal ear, lense of eye
Neurulation
Ectoderm thickens and becomes known as neural plate
Neural crest cells
Migrate through embryo and create different cell types
21 terms
Embryology Module 3
ectoderm
neural crest
neural tube
mesoderm (head)
epidermis of skin ... mammary glands ... anterior pituitary ... enamel…
cranial ganglia ... sensory ganglia ... adrenal medulla ... bones of s…
posterior pituitary ... central nervous system ... retina ... pineal b…
head muscles ... dentine of teeth
ectoderm
epidermis of skin ... mammary glands ... anterior pituitary ... enamel…
neural crest
cranial ganglia ... sensory ganglia ... adrenal medulla ... bones of s…
35 terms
C1T3: Embryology
Zygote
Corona Radiate
Zona Pellucida
Morula
Oocyte and Egg fused
Outer layer of egg, Heads of sperm get stuck
Inner layer of egg, Protective
Zygote once it reaches 12/16 cells
Zygote
Oocyte and Egg fused
Corona Radiate
Outer layer of egg, Heads of sperm get stuck
22 terms
Week 2-3
Embryoblast->
Trophoblast->
Epiblast
Hypoblast
Epiblast and Hypoblast
Cytotrophoblast and Syncytiotrophoblast
becomes amniotic cavity
becomes yolk sac
Embryoblast->
Epiblast and Hypoblast
Trophoblast->
Cytotrophoblast and Syncytiotrophoblast
49 terms
Embryology: Development of the body cavities
embryonic folding
embryonic folding: longitudinal folds
embryonic folding: transverse fold
formation/partitioning of intra-embryo…
- flat trilaminar embryo becomes tubular... - involves longitudi…
- head to tail... - cardiogenic area ->thoracic area... - yolk sac…
- lateral folds... - incorp yolk sac (gut tube) = form body cavi…
- diff growth + folding of embryo... - inside cavity lined w/mes…
embryonic folding
- flat trilaminar embryo becomes tubular... - involves longitudi…
embryonic folding: longitudinal folds
- head to tail... - cardiogenic area ->thoracic area... - yolk sac…
Embryology
Embryogenesis
Day 0
Day 1
Day 2
is the process by which the embryo forms and develops. In mam…
Fertilization
First cleavage
2-cell stage
Embryogenesis
is the process by which the embryo forms and develops. In mam…
Day 0
Fertilization
28 terms
LECOM Embryology Chapter 1
The 3 Stages of Development
CRL
Early development time period
Embryonic period
1. Early Development ... 2. Embryonic Development... 3. Fetal Devel…
Crown to Rump length- used to measure the size of the embryo…
Fertilization to the beginning of week 3 (day 16)
week 3 to week 8
The 3 Stages of Development
1. Early Development ... 2. Embryonic Development... 3. Fetal Devel…
CRL
Crown to Rump length- used to measure the size of the embryo…
118 terms
Embryology Lecture 1
What are the 3 categories of embryopat…
Reduction defects
duplication defects
dysplasia
-reduction defects... -duplication defects... -dysplasia defects
-all or part of the limb is missing
-supernumerary number of elements
-malformation of the limb
What are the 3 categories of embryopat…
-reduction defects... -duplication defects... -dysplasia defects
Reduction defects
-all or part of the limb is missing
12 terms
Embryology (Path)
Amelia
Meromelia
Phocomelia
Mirror Polydactyly
- Absence of limb... - Caused by inadequate "Mesenchyme"
- Partial extremities... - Caused by inactivated "AER"
- Having no true long bones... - Caused by inactivated "AER"
- Having two Ulna's and no Radii (or vice versa)... - Also Super…
Amelia
- Absence of limb... - Caused by inadequate "Mesenchyme"
Meromelia
- Partial extremities... - Caused by inactivated "AER"
44 terms
lecom embryology quiz 1
•Ectopic pregnancy
•Placenta previa
•Placental abruption
•Placental accreta
implantation outside the uterus
implantation site that happens at the cervix- has a bleeding…
placenta abruption (tears away from wall)
placenta penetrates through the endometrium to the myometrium…
•Ectopic pregnancy
implantation outside the uterus
•Placenta previa
implantation site that happens at the cervix- has a bleeding…
29 terms
C2T3: Neuralation and Embryology
Neurulation
Neural Plate
Neural Crest
Spemann Organizer
Neural Plate -> Neural Groove -> Neural Tube -> CNS
Ectoderm, Becomes Neural Tube -> CNS
PNS, Sensory and Autonomic Ganglia
Leads to development of CNS, Dorsal, Inductive signal induces…
Neurulation
Neural Plate -> Neural Groove -> Neural Tube -> CNS
Neural Plate
Ectoderm, Becomes Neural Tube -> CNS
14 terms
Embryo 3
Fertilization
Prevention of extra fertilization
Morula
Blastocyst
sperm passes through corona radiate, enzymes released from ac…
Corticol rxn- oocyte releases enzymes into perivitiline space…
solid body of cells inside zona pellucida, gap junctions, shi…
broken through z. pellucida, hollow... inner cell mass-> embryob…
Fertilization
sperm passes through corona radiate, enzymes released from ac…
Prevention of extra fertilization
Corticol rxn- oocyte releases enzymes into perivitiline space…
6 terms
Embryonic tissue derivatives
Neural crest derivatives
Surface ectoderm
Paraxial mesoderm
Intermediate mesoderm
Parasympathetic ganglia of CN III, VII, IX and X... Sensory gang…
1. Epidermis, hair, nails, cutaneous, and mammary glands ... 2.…
Axial skeleton, voluntary musculature, somitomeres and part o…
Urinary system and parts of the genital system
Neural crest derivatives
Parasympathetic ganglia of CN III, VII, IX and X... Sensory gang…
Surface ectoderm
1. Epidermis, hair, nails, cutaneous, and mammary glands ... 2.…
27 terms
MS1 Histology - Lecture 1
Light Microscopy ( Bright Field )
TEM
SEM
Dark
This image is made using what kind of microscopy?
This image is made using what kind of microscopy?
This image is made using what kind of microscopy?
Objects that are more electron dense in TEM appear ( Light /…
Light Microscopy ( Bright Field )
This image is made using what kind of microscopy?
TEM
This image is made using what kind of microscopy?
92 terms
FA Anatomy + Embryology
Fetal circulation
SRY gene and sexual development
Congenital torticollis - d/t intrauter…
Vitelline duct cyst has the same embry…
Fetal circulation
SRY gene and sexual development
92 terms
FA Anatomy + Embryology
Fetal circulation
SRY gene and sexual development
Congenital torticollis - d/t intrauter…
Vitelline duct cyst has the same embry…
Fetal circulation
SRY gene and sexual development
24 terms
Lec 1-Intro to Embryology
3 main stages of the development of th…
What happens in the Early Development…
What happens in the Embryonic Period?
What happens in the Fetal Period?
1.) Early development (0-2 wks (day 16))-high rate of lethali…
-includes fertilization and implantation... -proliferation... -form…
-all organs and body parts form during this period
-the increase in length is uniform... -increase in weight is not…
3 main stages of the development of th…
1.) Early development (0-2 wks (day 16))-high rate of lethali…
What happens in the Early Development…
-includes fertilization and implantation... -proliferation... -form…
72 terms
MS- Osseous Wound Healing
a very small fracture that is very har…
MRI can be performed to see it before…
an uncomplicated fracture in which the…
fracture in which the skin is broken.
hairline fracture
hairline fracture
simple fracture
compound fracture
a very small fracture that is very har…
hairline fracture
MRI can be performed to see it before…
hairline fracture
41 terms
Embryo 3 - The First Week
What is fertilization?
What moment signifies the start of fer…
Where does fertilization typically occ…
What is the capacitation reaction?
Process of union of male and female gametes
Contact between the sperm and the oocyte... Formation of the un…
The ampulla of the uterine tube
When the spermatozoa has their glycocalyx pruned by secretion…
What is fertilization?
Process of union of male and female gametes
What moment signifies the start of fer…
Contact between the sperm and the oocyte... Formation of the un…
99 terms
DH133 Ch. 3: Dental Embryology (Prenatal Development)
Prenatal Development
Embryology
Makes up 1st trimester of pregnancy
Makes up last 2 trimesters
- Start of pregnancy and continues until birth of child... - 9 m…
Study of prenatal development
-Preimplantation Period... -Embryonic Period
Fetal Period
Prenatal Development
- Start of pregnancy and continues until birth of child... - 9 m…
Embryology
Study of prenatal development
26 terms
Embryo Dates
Day 6
Day 16
Day 18
Day 20
Implantation
Gastrulation
Neural Plate forms
First somite forms
Day 6
Implantation
Day 16
Gastrulation
15 terms
Embryology 3: the first week
contraceptive pill
depo-provera
plan B
RU-486
contains estrogens/progesterone and acts by providing negativ…
progesterone analog that works in a negative feedback loop wi…
A progesterone analog antagonist that prevents ovulation OR i…
An anti-progesterone that blocks all of progesterone's effect…
contraceptive pill
contains estrogens/progesterone and acts by providing negativ…
depo-provera
progesterone analog that works in a negative feedback loop wi…
30 terms
Embryology arch derivatives
skeletal derivatives of arch 1
muscle derivatives of arch 1
nervous derivatives of arch 1
aortic derivatives of arch 1
maxillary process (maxilla, zygomatic arch, temporal); mandib…
muscles of mastication, anterior digastric, myohyoid, tensor…
CN V3 (mandibular)
maxillary arteries
skeletal derivatives of arch 1
maxillary process (maxilla, zygomatic arch, temporal); mandib…
muscle derivatives of arch 1
muscles of mastication, anterior digastric, myohyoid, tensor…
15 terms
LECOM Embryology - Pharyngeal Arches, Pouches, etc.
Pharyngeal apparatus consists of 4 parts
Components of a Pharyngeal Arch
First Pharyngeal Arch forms two promin…
Bones/cartilages derived from first ar…
Pharyngeal Arch ... Pharyngeal Pouch... Pharyngeal Groove or Cleft…
Each arch has its own:... Artery... Cartilage... Nerve... Muscle
Maxillary ... Mandibular
Meckel's cartilage - model for mandible... Malleus, Incus - smal…
Pharyngeal apparatus consists of 4 parts
Pharyngeal Arch ... Pharyngeal Pouch... Pharyngeal Groove or Cleft…
Components of a Pharyngeal Arch
Each arch has its own:... Artery... Cartilage... Nerve... Muscle
FA Anatomy + Embryology
Fetal circulation
SRY gene and sexual development
Congenital torticollis - d/t intrauter…
Vitelline duct cyst has the same embry…
Fetal circulation
SRY gene and sexual development
90 terms
Embryo 2
What type of cells are gametes derived…
What are primitive sex cords?
When and where are PGCs formed?
When do PGCs move from the epiblast to…
Primordial germ cells (PGCs)... -cause surrounding body wall to…
Undifferentiated gonads.
Epiblast... -during the second week
During week 3
What type of cells are gametes derived…
Primordial germ cells (PGCs)... -cause surrounding body wall to…
What are primitive sex cords?
Undifferentiated gonads.
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