GLOSSARY. 167 



corresponds with the centre of anterior margin of foramen 



magnum. 

 Bell's law. Ascribed to the definite functions of spinal nerve 



roots, Sir Chas. Bell. 



Bell's paralysis. Unilateral paralysis of facial nerve. 

 Bidder's ganglia. Ganglia of the heart, situated in the 



auriculo- ventricular groove. 

 Biot's respiration. "Periodic" breathing without any 



variation in the size of the individual movements. Occurs 



during sleep and is normal. 

 Bi'uret reaction. The pink coloration which peptones 



give with copper sulphate and liquor potassag. 

 Blandin, Glands of. Muco-serous glands found near tip of 



tongue. 

 Blastomyce'tes (Gr. blastos, a bud ; mukes (gen. muketos), 



a mushroom, or any round body shaped like a mushroom). 



Microscopic fungi or yeasts. 

 Blood islands of Pander. Masses of mesoblastic cells (vaso- 



formative) from which blood-vessels are developed. 

 Blood plate. Platelets. A variety of blood-corpuscles 



variable in size and shape. Intimately associated with 



process of coagulation. 

 Blood pressure. The force exercised by the blood against 



the vessels ; is the balance between the pumping power of 



the heart and peripheral resistance. 



Bowman's glands. Tubular glands found in mucous mem- 

 brane of olfactory region. 

 Bowman's tubes. Spaces formed artificially in cornea 



between the lamellae. 

 Bregma (Gr. br&gma, the forepart of the head from brecho, I 



moisten or wet). The anterior fontanelle. 

 Bremer's formula. Applied to the phenomena observed on 



electrical stimulation of the ear ; i.e. a loud sensation on 



. closure at cathode, and a feeble sensation on opening at 



anode. 

 Broca's convolution. The posterior lobe of left inferior 



frontal convolution. Associated with speech. 

 Bruch, Membrane of. A delicate membrane separating 



choroid from retina. 



Canal of Nuck. Formed by a process of peritoneum passing 

 to the inguinal canal in female. 



