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Study sets matching "anatomy embryology"

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Study sets matching "anatomy embryology"

Anatomy: Embryology
Cleavage
Blastocyst
Trophoblast
Embryoblast
rapid cell division
- Day 5... - Implantation... - Interstitial fluid invades to form e…
- Outer ring of cells in blastocyst... - Becomes placenta
- Inner cell mass in blastocyst... - Differentiates into germ la…
Cleavage
rapid cell division
Blastocyst
- Day 5... - Implantation... - Interstitial fluid invades to form e…
64 terms
Anatomy - Embryology
The embryonic period is how long?
The fetal period is how long?
What occurs in week 1
Zona pellucida
First 8 weeks
Weeks 9 - 38
Fertilization, cleavage, formation of the blastocyst, and imp…
Where the acrosome head of the sperm binds in fertilization
The embryonic period is how long?
First 8 weeks
The fetal period is how long?
Weeks 9 - 38
19 terms
Anatomy (Embryology)
Pre-embryonic stage
embryonic development
fetal development
what happens during pre-embryonic peri…
1-2 weeks (fertilization to implantation)
week 3-week8
week9- birth
-fertilization... -zygote undergoes clevage... -mitotic division mo…
Pre-embryonic stage
1-2 weeks (fertilization to implantation)
embryonic development
week 3-week8
42 terms
Embryology & Anatomy
When do the 3 germ layers develop?
What are the 3 germ layers that develo…
What develops from the ectoderm?
What develops from the mesoderm?
Within the 1st 4 wks
Ectoderm... Mesoderm... Endoderm
CNS, skin, hair, nails
Basis of urogenital ridge--> basis of GU tract
When do the 3 germ layers develop?
Within the 1st 4 wks
What are the 3 germ layers that develo…
Ectoderm... Mesoderm... Endoderm
48 terms
Anatomy - Embryology
Main embryological developments - week 1
What does the trophoblast divide into?
syncytiotrophoblast
cytotrophoblast
1. zygote divides into morula (16-32 cells)... 2. blastocyst dev…
syncytiotrophoblast and cytotrophoblast
invades endometrium and produces HCG
outer cell mass and contributes cells to syncytiotrophoblast
Main embryological developments - week 1
1. zygote divides into morula (16-32 cells)... 2. blastocyst dev…
What does the trophoblast divide into?
syncytiotrophoblast and cytotrophoblast
142 terms
Embryology Anatomy
Spina bifida occulta
Spina bifida occulta manifestations
Spina bifida with meningocele
Spina bifida with meningomyelocele
Failure of embryonic halves of neural arch to grow normally a…
Tuft of hair at L5-S1
Sac formation (meninges & CSF)
Spinal cord & meninges in sac
Spina bifida occulta
Failure of embryonic halves of neural arch to grow normally a…
Spina bifida occulta manifestations
Tuft of hair at L5-S1
66 terms
Developmental Anatomy (Embryology)
That the germ cell contains every part…
Proposed by Aristotle ~2500 yrs ago, i…
- They are regulatory genes necessary…
Somatic cell nuclear transfer (cloning)
What is the idea of preformation?
Who proposed Epigenesis? What is the idea of it?
What do the homeobox (Hox genes) do in regards to development…
'Dolly' was generated by what assisted reproductive technology?
That the germ cell contains every part…
What is the idea of preformation?
Proposed by Aristotle ~2500 yrs ago, i…
Who proposed Epigenesis? What is the idea of it?
168 terms
Anatomy - Embryology
Embryonic period
Prenatal period
fetal period
zygote
-organs form from 3 germ tissues... -first 8 weeks
before birth, includes the embryonic period and the fetal per…
-tissue and organs grow in size and complexity... -week 9-40
in week 1, the ___ moves toward the uterus and is fertilized…
Embryonic period
-organs form from 3 germ tissues... -first 8 weeks
Prenatal period
before birth, includes the embryonic period and the fetal per…
44 terms
Anatomy & Embryology
anatomy overview
what happens at week 4, week 6, and we…
GI Developmental Defects: Omphalocele…
GI Developmental Defects: Intestinal M…
midgut herniates into umbilical cord to make room for the gro…
omphalocele: usually just parts of intestines (1:5000) vs. he…
can be symptomatic or asymptomatic
anatomy overview
what happens at week 4, week 6, and we…
midgut herniates into umbilical cord to make room for the gro…
44 terms
Anatomy & Embryology
anatomy overview
what happens at week 4, week 6, and we…
GI Developmental Defects: Omphalocele…
GI Developmental Defects: Intestinal M…
midgut herniates into umbilical cord to make room for the gro…
omphalocele: usually just parts of intestines (1:5000) vs. he…
can be symptomatic or asymptomatic
anatomy overview
what happens at week 4, week 6, and we…
midgut herniates into umbilical cord to make room for the gro…
87 terms
Anatomy/Embryology :(
SHH produced where?... Development for wh…
Wnt7 produced where?... Development for w…
FGF produced where?... Purpose?... What defe…
HOX produced where?... Development for wh…
Produced in ZPA (zone of polarizing activity) @ base of limb…
-Produced in AER (apical ectodermal ridge) @ distal limb... -de…
-AER... -LENGTHENS LIMBS (stimulates underlying mesoderm... -achond…
-?... -cranio-caudal... -limbs in weird places (drosophila experime…
SHH produced where?... Development for wh…
Produced in ZPA (zone of polarizing activity) @ base of limb…
Wnt7 produced where?... Development for w…
-Produced in AER (apical ectodermal ridge) @ distal limb... -de…
Anatomy- Embryology
Pre-formation
Epigenesis
Crown Rump Length (CRL)
58-68 days
Suggests that the germ cell contains every part of the future…
Aristotle proposed ~2500 years ago the de novo pathway of org…
Used for staging the age of domestic embryo's; a straight lin…
How many days does a canine usually gestate?
Pre-formation
Suggests that the germ cell contains every part of the future…
Epigenesis
Aristotle proposed ~2500 years ago the de novo pathway of org…
62 terms
Anatomy Embryology
Adolescence Period
Neonatal
Infancy
Childhood
Teenager, Puberty to adult
Newborn, Birth to 4 weeks
Infant, end of 4th week to 1 year
Child, 1 year to puberty
Adolescence Period
Teenager, Puberty to adult
Neonatal
Newborn, Birth to 4 weeks
71 terms
Anatomy: Embryology
Hyaluronidase
Zona Reaction
Phase of Fertilization
Cleavage
Acrosomal enzyme that degrades the corona radiata
Sperm's penetration triggers lysommal enzyme release, hardeni…
1. Sperm passes through corona radiata... 2. zona pellucida is p…
30 hours after fertilization. ... Zygote divides to yeild "blas…
Hyaluronidase
Acrosomal enzyme that degrades the corona radiata
Zona Reaction
Sperm's penetration triggers lysommal enzyme release, hardeni…
9 terms
Anatomy - Embryology
What structures develop during week 4…
What structures develop during week 6…
What structures develop during week 7…
What structures develop during week 8…
Heart, forebrain, upper/lower limbs, ears, eye lens
External auditory canal
Intestines, Bone ossification
Digits, external genitalia
What structures develop during week 4…
Heart, forebrain, upper/lower limbs, ears, eye lens
What structures develop during week 6…
External auditory canal
78 terms
Anatomy - Embryology
Pre-Fertilization
Embryogenesis
Fertilization
Path of Sperm Cell
Each gamete is haploid (n=23)
The process of embryo formation (Week 1-8)
-Results in diploid cell (n=46)... -Occurs when released oocyte…
Corona Radiata > Zona Pellucida > Plasma Membrane of Secondar…
Pre-Fertilization
Each gamete is haploid (n=23)
Embryogenesis
The process of embryo formation (Week 1-8)
102 terms
Anatomy - Chapter 3 Embryology
What does differentiation lead to?
What does reproduction ensure?
How long is the prenatal period?
How does the prenatal period begin? End?
Leads to the formation and organization of all the diverse ce…
Ensures that new individuals are produced from generation to…
first 38 weeks of human development
Fertilization of the secondary oocyte; with birth
What does differentiation lead to?
Leads to the formation and organization of all the diverse ce…
What does reproduction ensure?
Ensures that new individuals are produced from generation to…
49 terms
Anatomy and Embryology
Renal and reproductive systems both from
Three separate kidney systems
Which of the kidney systems develops i…
Mesonephric duct remains as
intermediate mesoderm
Pronephros... Mesonephros... Metanephros
Metanephros
Ductus deferens... (aka "Wolffian" duct)
Renal and reproductive systems both from
intermediate mesoderm
Three separate kidney systems
Pronephros... Mesonephros... Metanephros
14 terms
Anatomy - Embryology
What is so important about the first 8…
What is the main feature of the post 8…
What does the hypoblast form?
What does the epiblast form?
When organogenesis and cell differentiation occur
Growth (except head and brain as majority of their growth is…
Extraembryonic tissues
The embryo
What is so important about the first 8…
When organogenesis and cell differentiation occur
What is the main feature of the post 8…
Growth (except head and brain as majority of their growth is…
16 terms
anatomy and embryology
cortex and medulla
two endocrine glands in one organ
adrenal cortex
adrenal medulla
the adrenal glands consist of two main parts
the result of the adrenal glands are what
derives from the mesoderm of the same region that gives rise…
functionally a part of the sympathetic nervous system... develop…
cortex and medulla
the adrenal glands consist of two main parts
two endocrine glands in one organ
the result of the adrenal glands are what
24 terms
(FA) Endocrine Embryology/Anatomy
Thyroid diverticulum
Foramen cecum
Most common ectopic thyroid tissue site
Thyroglossal duct cyst
-arises from floor of primitive pharynx ... -descends into neck…
-normal remnant of thyroglossal duct.
-tongue
-Thyroglossal duct cyst ... -presents as an anterior midline nec…
Thyroid diverticulum
-arises from floor of primitive pharynx ... -descends into neck…
Foramen cecum
-normal remnant of thyroglossal duct.
34 terms
Anatomy & Embryology
What is the only extraocular muscle th…
What is the blood supply to the extrao…
What muscles are innervated by the sup…
What is the ratio of nerve fibers to m…
Lateral rectus (single vessel derived from lacrimal artery)
Each muscle (except LR) is fed by 2 anterior ciliary arteries.
Superior CNIII: Levator, SR... Inferior CNIII: MR, IO, IR
1:3 - 1:5. Very high, allowing for precise control.
What is the only extraocular muscle th…
Lateral rectus (single vessel derived from lacrimal artery)
What is the blood supply to the extrao…
Each muscle (except LR) is fed by 2 anterior ciliary arteries.
23 terms
Anatomy Embryology
0-2 Days in Fallopian tubes
3-5 Days in Fallopian tubes
6-8 days in Fallopian tubes
9-11 days in Fallopian tubes
Makes: Fertilization Membrane-Keeps sperm out... Called: Zygote-…
makes: Trophoblast-Make placenta... Called: Murula- 16 celled so…
Makes: Amnion- Sac of protective fluid... In the middle: Blastoc…
Makes: Villi and Chorion- moves the baby into the uterus... Call…
0-2 Days in Fallopian tubes
Makes: Fertilization Membrane-Keeps sperm out... Called: Zygote-…
3-5 Days in Fallopian tubes
makes: Trophoblast-Make placenta... Called: Murula- 16 celled so…
Anatomy Embryology
embryo
differentiation
development
mitosis
conception, 2 months in uterus
stem/ germ cells produce new cell types
organismal view, growth and modification of anatomical struct…
forms somatic cells; diploids
embryo
conception, 2 months in uterus
differentiation
stem/ germ cells produce new cell types
61 terms
Anatomy/Embryology
gonadal stage of development
male hormones 8 weeks
ductal stage of development
MIF presence
primordial germ cells form primitive gonads, SRY gene influen…
testosterone from Leydig cells, Mullerian-inhibiting factor f…
mesonephric ducts develop into epididymus, ductus deferens, s…
secreted by Sertoli cells, causes regression of paramesonephr…
gonadal stage of development
primordial germ cells form primitive gonads, SRY gene influen…
male hormones 8 weeks
testosterone from Leydig cells, Mullerian-inhibiting factor f…
15 terms
Anatomy - Embryology
origin of systems
formation of neural tube
divisions of neural tube
hypoblast
Nervous system all from ectoderm (neural ectoderm)... CNS - from…
1. differentiation of midline mesoderm into notochord causes…
roof/floor plates - don't differentiate into neuronal element…
bottom layer of cells, eventually becomes the gut
origin of systems
Nervous system all from ectoderm (neural ectoderm)... CNS - from…
formation of neural tube
1. differentiation of midline mesoderm into notochord causes…
45 terms
Anatomy: Embryology
Embryology
Prenatal period
Embryonic period
Fetal period
Study of the origin and development of an individual person
The time between conception (union of egg and sperm)
The first 8 weeks of pregnancy
The remaining 30 weeks of pregnancy
Embryology
Study of the origin and development of an individual person
Prenatal period
The time between conception (union of egg and sperm)
79 terms
Anatomy- Embryology
Nucleus Pulposus
R and L ventricles
Trabeculated RV & LV
Traveculated RA & LA
Notochord
Bulbiscordis Smooth
Primitive Ventricle
Primitive Atrium
Nucleus Pulposus
Notochord
R and L ventricles
Bulbiscordis Smooth
45 terms
Anatomy: Embryology
Embryology
Prenatal period
Embryonic period
Fetal period
Study of the origin and development of an individual person
The time between conception (union of egg and sperm)
The first 8 weeks of pregnancy
The remaining 30 weeks of pregnancy
Embryology
Study of the origin and development of an individual person
Prenatal period
The time between conception (union of egg and sperm)
27 terms
Embryology / Anatomy
PDA arises from
Ao arch arises from
Proximal R subclavian arises from
Failure of what to involute causes int…
Left sixth aortic arch
Left fourth arch
Right fourth arch
The umbilicovitelline system
PDA arises from
Left sixth aortic arch
Ao arch arises from
Left fourth arch
88 terms
Anatomy Embryology & Development
Typical site of fertilization
Morula
Blastocyst
embryoblast
fimbriated end of uterine tube
-solid ball of 12-16 pluripotent blastomeres... -forms after 3-4…
-morula cavities into hollow blastula after 4-5 days... -still h…
-inner cell mass of the blastula... -develops into embryo
Typical site of fertilization
fimbriated end of uterine tube
Morula
-solid ball of 12-16 pluripotent blastomeres... -forms after 3-4…
28 terms
anatomy embryology
epidermis
hair, nails, tooth enamel
sweat and mammary glands
pituitary gland
surface ectoderm
surface ectoderm
surface ectoderm
surface ectoderm/ neural tube
epidermis
surface ectoderm
hair, nails, tooth enamel
surface ectoderm
56 terms
Anatomy Embryology
Nucleus pulposus
Trabeculated Right and Left Ventricles
"Pectinated" Right Atrium, right auric…
Coronary sinus
Notochord
Primitive Ventricles
Primitive Atrium
Left horn of sinus venosus
Nucleus pulposus
Notochord
Trabeculated Right and Left Ventricles
Primitive Ventricles
11 terms
Anatomy: Embryology
oocyte
sperm
fertilization
zygote
female gametocyte or germ cell involved in reproduction
male gametocyte or germ cell involved in reproduction
Process of sperm penetration of the secondary oocyte.
fertilized egg
oocyte
female gametocyte or germ cell involved in reproduction
sperm
male gametocyte or germ cell involved in reproduction
65 terms
Anatomy: Embryology
differentation
reproduction
embryology
prenatal period
leads to the formation and organization of all the diverse ce…
ensures that new individuals are produced from generation to…
the study of the developmental events that occur prior to birth
the first 38 weeks of human development that begin with ferti…
differentation
leads to the formation and organization of all the diverse ce…
reproduction
ensures that new individuals are produced from generation to…
48 terms
Anatomy - Embryology
Main embryological developments - week 1
What does the trophoblast divide into?
syncytiotrophoblast
cytotrophoblast
1. zygote divides into morula (16-32 cells)... 2. blastocyst dev…
syncytiotrophoblast and cytotrophoblast
invades endometrium and produces HCG
outer cell mass and contributes cells to syncytiotrophoblast
Main embryological developments - week 1
1. zygote divides into morula (16-32 cells)... 2. blastocyst dev…
What does the trophoblast divide into?
syncytiotrophoblast and cytotrophoblast
14 terms
Anatomy Embryology
embryonic period
fetal period
list major events (8 total)
cleavage
growth+differentiation
growth+maintenance
1.Gametogenesis... 2. Fertilization... 3. Cleavage... 4. Gastrulation…
rapid divisions, little growth
embryonic period
growth+differentiation
fetal period
growth+maintenance
Anatomy embryology
notochord is derived from
neural plate is derived from
neural groove/tube is derived from
ectoderm
mesoderm
ectoderm
ectoderm
outer skin, nervous system, sense organs---cochlea
notochord is derived from
mesoderm
neural plate is derived from
ectoderm
13 terms
Anatomy Embryology
Pre-natal Periods
Pre-Embryonic Process
The Blastocyst
The Trophoblast Process
Pre-embryonic Period (weeks 1-2... - Embryonic Period (weeks 3-8…
1. Ovulation... 2. Fertilization... 3. Zygote... 4. Morula... 5. Blastocy…
1. Inner Cell Mass... 2. Trophoblast... 3. Blastocoel (fluid filled…
- Syncytiotrophoblast comes in contact with the mother and he…
Pre-natal Periods
Pre-embryonic Period (weeks 1-2... - Embryonic Period (weeks 3-8…
Pre-Embryonic Process
1. Ovulation... 2. Fertilization... 3. Zygote... 4. Morula... 5. Blastocy…
20 terms
Anatomy - Embryology
Embryo
Fetus
Cleavage
Differentiation
An organism in its early stage of development - in humans, fi…
Unborn young - in humans, period from the third month of deve…
An early embryonic stage consisting of rapid cell division so…
The formation of different types of cells that carry out diff…
Embryo
An organism in its early stage of development - in humans, fi…
Fetus
Unborn young - in humans, period from the third month of deve…
66 terms
Anatomy: Embryology
Differentiation
Reproduction
Embryology
Pre-embryonic period
...
...
...
1-2 weeks, fertilization to implantation of blastocyst
Differentiation
...
Reproduction
...
45 terms
Anatomy- Embryology
Isthmus (fallopian tube)
Ampulla (fallopian tube)
Fimbrae (fallopian tube)
Other names of fallopian tube
narrow area
majority of fallopian tube, where fertilization occurs
sits on ovaries- fingerlike projections
uterine tube... oviduct
Isthmus (fallopian tube)
narrow area
Ampulla (fallopian tube)
majority of fallopian tube, where fertilization occurs
51 terms
Anatomy Embryology
Aorta
Pulmonary Trunk
Smooth part of Left (conus arteriosus)…
Trabeculated part of LV and RV
Truncus Arteriosus and 4th Aortic Arch
Truncus Arteriosus and 6th Aortic Arch
Bulbus Cordis
Primitive Ventricle
Aorta
Truncus Arteriosus and 4th Aortic Arch
Pulmonary Trunk
Truncus Arteriosus and 6th Aortic Arch
45 terms
Anatomy: Embryology
Embryology
Prenatal period
Embryonic period
Fetal period
Study of the origin and development of an individual person
The time between conception (union of egg and sperm)
The first 8 weeks of pregnancy
The remaining 30 weeks of pregnancy
Embryology
Study of the origin and development of an individual person
Prenatal period
The time between conception (union of egg and sperm)
36 terms
Anatomy: Embryology
What phylum do humans belong in?
What is invertebrae?
What is vertebrata?
What are the carnagerie stages?
Phylum Chordata
The tunicates and chordates without a true skull.
Vertebrates that have a spinal column.
23 stages based on specimens, via development.
What phylum do humans belong in?
Phylum Chordata
What is invertebrae?
The tunicates and chordates without a true skull.
205 terms
Anatomy and Embryology
Anatomy (morphology)
Physiology
Gross Anatomy
Regional Anatomy
the study of the structure of the human body
the study of body function
the study of body structures that can be examined by the nake…
all structures in a single body region examined as a group
Anatomy (morphology)
the study of the structure of the human body
Physiology
the study of body function
21 terms
Embryology and Anatomy
vitelline circulation
sinus venosus embryo
myoglobin curve shape
what happens to the vitelline veins
blood from embryo to yolk sac via vitelline arteries (dorsal…
blood to embryo (receives from vitelline veins, umbilical vei…
hyperbolic, no cooperativity, left shift
right becomes hepatic vein and left degrades
vitelline circulation
blood from embryo to yolk sac via vitelline arteries (dorsal…
sinus venosus embryo
blood to embryo (receives from vitelline veins, umbilical vei…
16 terms
Anatomy - Embryology
Weeks 1 to 2 of the prenatal period ar…
Fertilization of the ovum (secondary o…
When a zygote has formed 16 cells thro…
The trophoblast is composed of which 2…
Pre-Embryonic
Ampulla, Zygote
Morula
Cytotrophoblast & Syncytriotrophoblast, eventually forms the…
Weeks 1 to 2 of the prenatal period ar…
Pre-Embryonic
Fertilization of the ovum (secondary o…
Ampulla, Zygote
46 terms
Anatomy: Embryology
The embryo is formed from three groups…
What is formed from these three germ l…
Embryology general rules
Basic overview anatomy of the male
ectoderm — the outermost layer ... mesoderm — the middle layer…
Four basic tissues of the body
1. All cells in the body come from the first cell called the…
1. Testes reproduce spermatozoa (sperm cells) ... 2. Spermatozoa…
The embryo is formed from three groups…
ectoderm — the outermost layer ... mesoderm — the middle layer…
What is formed from these three germ l…
Four basic tissues of the body
28 terms
Anatomy - Embryology
Which weeks is the pre-embryonic period?
which weeks is the embryonic period?
which weeks is the fetal period?
what is a fertilized oocyte called?
weeks 1-2
weeks 3-8
9-38
zygote
Which weeks is the pre-embryonic period?
weeks 1-2
which weeks is the embryonic period?
weeks 3-8
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