superior labia

inferior vestibule(between labia and teeth)

lingual frenulum

hard palate

soft palateuvula

palatine tonsil

Oral Cavity Anatomy

superior labial frenulum

inferior labial frenulum

Tooth Anatomy

enamel

dentincrown

root

alveolar fossa

gingiva

periodontal ligament

cementum

root canal

pulp cavity

Small Intestine Anatomy

mucosasubmucosa muscularis externa

serosa (visceral peritoneum)

plicae circulares

plicae circulares

villilumen of small intestine circular muscle

longitudinalmuscle

Villus Anatomy

Intestinal crypt

lacteal

capillaries

goblet cell

simple columnar epithelial cell

arteriole

venulelymphatic vessel

microvillus

Spermatogenesis & Meiosis

Spermatogonia (2n)

primary spermatocyte (2n)

secondary spermatocyte (n)

early spermatids (n)

Late spermatids (n)

Immature sperm (n)

sustentacular cell nucleus

sustentacularcell

tight junctionMeiosis I

Meiosis II

Diploid (2n) to haploid (n)Diploid (2n) to haploid (n)

yellow cytoplasm

of sustentacular cells

tail

Midpiece with mitochondria

head covered with acrosome

Sperm

nucleus containing

DNA (haploid)

tunica albuginea

interstitial cells

seminiferous tubules

rete testis

body of epididymis

head of epididymis

spermatic cord

vas (ductus) deferens

nerves & blood vessels

septa

Sperm & Testis

Uterus Anatomy Diagram

suspensory ligament

round ligament

broad ligament (mesometrium)

ovarian ligament

fundus

endometrium

myometrium

perimetrium

cervix

vagina

ovary

fimbriae

mesovarium

uterine (fallopian) tube

Ovarian Cycle

Diagram

primordialfollicle

primaryfollicle

Graafian follicle (mature)

ovulation

corpus luteum

follicle stimulating homonelutenizing hormone

progesteroneestrogen

menstrual proliferative secretory

antrum

zona pellucida

corona radiataprimary oocyte

granulosa cells

Secondary Follicle

Fetal Circulation Anatomy

ductus arteriosus

ductus venosus

foramen ovale

umbilical cord

umbilical arteries

umbilical vein

placenta

umbilicus

Preembryonic Fission

fertilization

zygote

4 cell stage

morula

blastocyst

implantation

ovulation

antrum(cavity)

inner cellmass

trophoblast

cleavage

Gastrulation Diagram

j

ig

h

ba

d

fec

maternalportion