Shared Flashcard Set

Details

Kin 2Y03 Chapter 2
Ch 2
75
Anatomy
Undergraduate 2
09/17/2013

Additional Anatomy Flashcards

 


 

Cards

Term
Serous Membranes
Definition
cover organs + line trunk cavity
Term
visceral serous membrane
Definition
inner serous membrane
Term
parietal serous membrane
Definition
outer serous membrane
Term
pericardium
Definition
heart serous membrane
Term
pleura
Definition
lung and thoracic cavity serous membrane
Term
peritoneum
Definition
abdominopelvic cavity serous membrane
Term
ampulla
Definition
site of fertilization
Term
germinal period
Definition
first 2 weeks of development
Term
embryonic period
Definition
2nd week-8th week of development
Term
fetal period
Definition
last 30 weeks of development
Term
clinical/medical developmental events
Definition
date since last menstrual period
Term
embryologist developmental event date
Definition
date since conception
Term
corona radiata
Definition
outer layer of secondary oocyte
Term
ZP3 protein
Definition
receptor that binds sperm acrosomal region
Term
acrosomal reaction
Definition
binding of acrosome to ZP3
Term
integrin a6b1
Definition
receptor on 2* oocyte plasma membrane causing depolarization of membrane
Term
polyspermy fast block
Definition
membrane depolarization mechanism block
Term
polyspermy slow block
Definition
intracellular calcium release during fertilization (block)
Term
female pronucleus
Definition
female gamete which has undergone 2nd meiotic division
Term
male pronucleus
Definition
male gamete which has undergone 2nd meiotic division
Term
zygote
Definition
fusion of sperm and egg makes a ___
Term
morula
Definition
12 or more cell stage of embryonic development
Term
blastocyst
Definition
fluid-filled ball of multipotent cells
Term
inner cell mass
Definition
collection of blastocyst cells which become the embryo
Term
trophoblast
Definition
collection of blastocyst cells which become extra-embryonic cells
Term
blastocele
Definition
inner fluid filled cavity of blastocyst
Term
dizygotic twins
Definition
two oocytes fertilized by two different sperms
Term
monozygotic twins
Definition
single oocyte fertilized by one sperm; zygote splits to form _____
Term
placenta
Definition
structure which exchanges nutrients and removes waste in the developing fetus
Term
syncytiotrophoblasts
Definition
multinucleted cells; invade mother's uterine endometrial wall by digestion
Term
cytotrophoblasts
Definition
type of trophoblast which remains close to the embryonic tissue, barrier between maternal and embryonic blood
Term
cytotrophoblast cord
Definition
trophoblast structure surrounding syncytio. and lacunae
Term
chorionic villi
Definition
cytotrophoblasts become ____
Term
umbilical vein
Definition
carries oxygenated blood to the embryo
Term
umbilical artery
Definition
carries deoxygenated blood to the embryo
Term
chorion
Definition
thin layer of syncytio. and basement membrane providing gas exchange to developing embryo
Term
lacunae
Definition
small pools formed by the syncytio. containing maternal blood
Term
embryonic disk
Definition
epiblast + hypoblast
Term
epiblast
Definition
structure which eventually forms the 3 germ layers
Term
hypoblast
Definition
structure which forms extraembryonic membranes
Term
amniotic cavity
Definition
cavity inside ICM surrounded by amneotic sac; fluid filled + protects embryo
Term
amneotic sac
Definition
surrounds the amniotic cavity inside the ICM
Term
yolk sac
Definition
sac inside blastocele formed from hypoblast
Term
gastrulation
Definition
differentiation of epiblast into 3 germ layers
Term
notochord
Definition
rod structure between mesoderm and endoderm near primitive streak causing induction of ectoderm, folding of neural plate
Term
primitive streak
Definition
thickened area of epiblast cells formed during gastrulation
Term
endodern
Definition
inner layer containing digestive tract
Term
mesoderm
Definition
middle layer containing muscle, bone, blood
Term
ectoderm
Definition
outer layer containing skin and neural system
Term
neural plate
Definition
structure made from ectoderm induced by the notochord during gastrulation
Term
neural folds
Definition
raised edges of the neural plate during neural tube formation
Term
neural crest cells
Definition
neural tube cells which break away to become nerves and ganglia, skull
Term
neural tube
Definition
closed tube which forms basis of the CNS in embryological development
Term
somite
Definition
derived from mesoderm next to neural tube, become part of skull + spinal column
Term
foregut
Definition
cephalic end of yolk sac folds into the ___
Term
hind gut
Definition
caudal end of yolk sac folds into the ____
Term
allantois
Definition
region of yolk sac moving towards connecting stalk, becoes bladder
Term
cloacal membrane
Definition
caudal indentation close to hindgut region
Term
oropharyngeal membrane
Definition
cephalic indentation close to foregut region
Term
coelom
Definition
mesodermal region which becomes the three body cavity membranes, runs entire length of body
Term
branchial arches
Definition
evaginations of two arches which become auditory tube, thyroid, etc
Term
apical ectodermal ridge
Definition
thickened ectodermal region which becomes the limbs, stimulated by limb buds
Term
limb buds
Definition
region which stimulate apical ectodermal ridge formation
Term
frontonasal process
Definition
embryonic structure which becomes the forehead and nose
Term
mandibular process
Definition
embryonic structure which becomes the jaw
Term
maxillary process
Definition
embryonic structure which becomes the mandible
Term
primary palate
Definition
structure which forms the nasal cavity and palate
Term
myoblasts
Definition
early muscle progenitor cells
Term
blood islands
Definition
small blood structures on surface of yolk sac and inside the embryo
Term
sinus venosus
Definition
primitive heart tube dilation which becomes major veins (ie vena cava)
Term
bulbus cordis
Definition
primitive heart tube dilation which becomes major arteries
Term
foramen ovale
Definition
hole between interatrial septum which allows direct flow from RA to LA
Term
interatrial septum
Definition
primum + secundum septa
Term
interventricular septum
Definition
muscular structure between the ventricles
Term
lung buds
Definition
evagination of the trachea formed from the foregut, become the lungs
Supporting users have an ad free experience!