Histo PQs

Complex network of blood vessels veins / arteries, Gas exchange, temperature of specialised organs, Arteries → aterioles → capillaries → arterioles → arteries, Veins → venules → capillaries → venules → veins

Direct connection between arteries and veins, Blood flow and temperature of specific tissues, Artery → arteriole → venule → vein

Aggregation of nerve cell bodies surrounded by satellite cells, Structural and metabolic support

Bundles of nerve fibres, CT, Transmit sensory information

Basophilic, extracellular bodies, Concentric layers of calcium and magnesium phosphate in an organic matrix

Epicardium, Myocardium, Endocardium

Endothelium

Muscle tissue, Cardiomyocytes

Mesothelium, Fatty LCT, Lamina visceralis

Molecular layer, External granular layer, External pyramidal layer, Internal granular layer, Internal pyramidal layer, Multiform layer

Molecular layer, Purkinje cell layer, Granular layer

Region between red and white pulp, Region where T and B lymphocytes enter the spleen before becoming segregated to specific locations

Continuous capillaries, Endothelium, BV, Perivescular CT occupied by macrophages, Epithelial reticular cells

Sinusoidal, Fenestrated, Continuous

Large diameter, Basement membrane with pores, Fenestra in cytoplasm, Numerous gaps

Attached by pericytes, Continuous lamina with a few pores, Fenestra in cells

Attached by pericytes, Can bond to themselves, Continuous basal lamina

Liver, Spleen

Kidney, Intestines

Muscle, Skin, CNS

Chromophobes, Chromophils

Zona fasciculata, Zona glomerulosa, Zona reticularis

Islet of langerhans

A cells → glucagon, B cells → insulin, G cells → gastrin, D cells → somatotropin, Pp cells → pancreatic polypeptide

Gonadothrops → FSH, LH, Corticotrophs → ACTH, MSH, Thyrothrops → TSH, Lactrothrops → prolactin, Somatothrops → GH

Nerve fibres, Axons and nerve terminals from hypothalamus, Herring bodies

Thymus, Bone marrow

Thymus, Bone marrow

Lymph nodes, Spleen