Anat and Phys Lab 4-6

Place for fetal development

Uterus

Cervix

What is the arrow pointing to?

Ovary

What is the arrow pointing to?

Fimbriae

What is the arrow pointing to?

infundibulum

What is the arrow pointing to?

Fallopian tube

What is the arrow pointing to?

Fundus

What is the arrow pointing to?

Uterus

What is the arrow pointing to?

Endometrium

What is the arrow pointing to?

Myometrium

What is the arrow pointing to?

Perimetrium

What is the arrow pointing to?

Vagina

What is the arrow pointing to?

-Endometrium
-Myometrium
-Perimetrium

What are the three layers in the uterus

-Glandular
-Lined with simple columnar epithelium

Endometrium

-Smooth muscle
-Undergoes hypertrophy and hyperplasia in pregnancy

Myometrium

-Outermost layer
-Provides protection
-Contains mesothelium

Perimetrium

Horse and pig

Diffuse placenta

Diffuse

What type of placenta is this?

Ruminants

Cotyledonary placenta

Cotyledonary

What type of placenta is this?

Dog and cat

Zonary placenta

Zonary

What type of placenta is this?

Human, monkey, rodents

Discoid placenta

Discoid

What type of placenta is this?

Horses, camelids, and all ruminants

Bipartite

Bipartite

What type of uterus is this?

Pigs, dogs, and cats

Bicornuate

Bicornuate

What type of uterus is this?

Rodents, rabbits, and marsupials

Duplex

duplex

What type of uterus is this?

Primates

Simplex

Simplex

What type of uterus is this?

-Chorion
-Allantois
-Amnion

What are the three layers of fetal membranes

-Outermost
-Attaches to uterus

Chorion

-Below chorion
-Watery fetal urinary waste products

Allantois

-Encloses embryo viscous for cushioning

Amnion

-Allantoic
-Amnion

What are the two cavities in fetal membranes

Holds waste products of fetus

Allantoic

-Holds amniotic fluid
-Provides protection and cushion

Amnion

-Epitheliochorial
-Syndesmochorial
-Endotheliochorial
-Hemochorial
-Hemoendothelial

What are the 5 placental types by barrier

-Fetal side always stays the same
-Maternal side changes
-Closer to mother --> fetus has more antibodies

Placental types by barrier

Pig, horse

Epitheliochorial

Ruminants

Syndesmochorial

Dog, cat, bear

Endotheliochorial

Primates, bates, nutria, many rodents

Hemochorial

Rats, rabbits

Hemoendothelial

Seminiferous tubule -> Rete testis -> Efferent ductule -> Epididymus -> Vas deferens

What is the flow of sperm

Vas deferens

What is the arrow pointing to?

Seminiferous tubules

What is the arrow pointing to?

Testis

What is the arrow pointing to?

Tail of epididymis

What is the arrow pointing to?

Body of epididymus

What is the arrow pointing to?

Rete testis

What is the arrow pointing to?

Efferent ductule

What is the arrow pointing to?

Head of epididymus

What is the arrow pointing to?

Testis

What cell is this?

Testis

What cell is this?

Graafian follicles

What cell is this?

graafian follicle

What cell is this?

Ovary with corpus luteum

What cell is this?

Ovary with corpus luteum

What cell is this?

Uterus

What cell is this?

Endometrium

What is the arrow pointing to?

Myometrium

What is the arrow pointing to?

Perimetrium

What is the arrow pointing to?

Active mammary gland

What cell is this?

Resting mammary gland

What cell is this?

Pectoralis major

What is the arrow pointing to?

Latissimus dorsi

What is the arrow pointing to?

Pectoralis minor

What is the arrow pointing to?

External oblique

What is the arrow pointing to?

Internal obliques

What is the arrow pointing to?

Rectus abdominus

What is the arrow pointing to?

Sternomastoid

What is the arrow pointing to?

Triceps

What is the arrow pointing to?

Biceps brachii

What is the arrow pointing to?

Extensor carpi ulnaris

What is the arrow pointing to?

Flexor carpi radialis

What is the arrow pointing to?

Gluteus maximus

What is the arrow pointing to?

Tensor fasciae latae

What is the arrow pointing to?

Biceps femoris

What is the arrow pointing to?

Sartorius

What is the arrow pointing to?

Gracilis

What is the arrow pointing to?

Gastrocnemius

What is the arrow pointing to?

Ball and socket joint between the scapula and humerus

Scapulohumeral joint

Hinge joint involving humerus, radius, and ulna

Elbow

Connect wrist bones with radius and ulna

Carpal joints

Ball and socket joint made up of the femoral head and the acetabulum

Coxofemoral joint

equivalent of a knee

Stifle

Joint in hindleg between knee and fetlock, angles backward

Hock

In spine between atlas (C1) and axis (C2)

Atlanto-axial joint

Metacarpals meet with phalanges

Metacarpophalangeal joint (fetlock in horses)

Between the first and second phalanges

Proximal interphalangeal joints (pastern in horses)

Between middle and distal phalanges

Distal interphalangeal joints (coffin in horses)

Between metatarsals and proximal phalanges

Metatarsophalangeal joints (fetlock in horses)

Vertebra

What is this bone?

Transverse processes

What are the arrows pointing to?

Dorsal spinous processes

What are the arrows pointing to?

C1, connects skull to spine

Atlas

C2, allows the head to rotate

Axis