Blood Cells & Blood Vessel

HistologyBlood Cells: Page 324

Blood Vessel Histology: Page 284

Blood Cell Histology

• I will use the diagrams similar to the ones on page 324 to test you on blood cells.

• Be able to identify:– Erythrocytes (red blood cells)– Neutrophil– Lymphocyte– Monocyte– Eosinophil– Basophil

Neutrophils – odd shaped, lobed nucleus

LymphocytesSmall (about same size as the RBC’s) with a

round nucleus that fills up most of the cell

MonocytesBig (they’re the biggest!) with a fat-U

nucleus

EosinophilsCytoplasm is more pinkish in color, VERY

granular, sometimes have a “snowman” nucleus

BasophilsCytoplasm is more blue-ish in color, VERY

granular

Name this blood cell.

Monocyte

Name this blood cell.

BasophilIf you are getting them confused with lymphocytes,

note the SIZE. Basophils are LARGER than RBC’s whereas lymphocytes are the same size as

RBC’s.

Name this blood cell.

Eosinophil

Name these blood cells.

Neutrophils

Name this blood cell.

Lymphocyte

Blood Vessel Histology

Turn to page 284 in your lab book

Intro to Blood Vessels

ARTERY Tunica Externa Tunica Media

Tunica Interna: too thin to be seen, but is next to the lumen

VEIN

Tunica ExternaTunica Media

Tunica Interna: too thin to be seen, but is next to the lumen

Vasa Vasorum Vessels of the Vessels: supplies the walls of blood vessels

with blood. Found in the tunica externa of arteries and veins.