FIGURE 147-1. Serum thyroxine (T4), triiodothyronine (T3), and thyroxine-binding globulin (TBG) as a function of gestational age. Each point gives the mean value (±1 standard deviation [SD]) of determinations performed…
FIGURE 60-1. Regulation of extracellular fluid (ECF) calcium (Ca2+) by parathyroid hormone (PTH) action on kidney, bone, and intestine. A decrease in ECF Ca2+ is sensed by the calcium-sensing receptor,…
Subclinical autoimmune thyroiditis may become clinically apparent in the postpartum period as the result of an exacerbation of the autoimmune process for reasons that are not yet clear. Typically, such…
FIGURE 11-1. Schematic representation of the central mechanisms involved in the control of temporal variations in pituitary hormone secretions over the 24-hour cycle. ACTH, Adrenocorticotropic hormone; ANS, autonomous nervous system;…
FIGURE 118-1. A, Embryology of the gonads. 1-2, Primordial germ cells are located in the wall of the yolk sac in early embryogenesis. 3, At about the fifth to sixth…
FIGURE 141-1. Clinical examination of the scrotum. Orchiometry The volume of the testis is determined by comparison with an orchiometer (normal: 15 to 35 mL).59 In the absence of varicoceles, the…
FIGURE 81-1. Onset of eye symptoms and diagnosis of Graves’ ophthalmopathy relative to the time of diagnosis of hyperthyroidism (0 on the horizontal axis). A, The number of patients who…
FIGURE 34-1. Insulin and insulin receptor structure. A, Insulin structure showing the position of critical amino acids that compose the two binding surfaces (S1ins and S2ins) that interact with the…
FIGURE 33-1. A human islet of Langerhans stained by immunofluoresence for insulin (green) and glucagon (blue). FIGURE 33-2. A, Paul Langerhans (shown here in a rare family photograph) died young…
FIGURE 121-1. Typical appearance of premature thelarche in a -year-old girl. Pathophysiology The precise cause of premature thelarche remains unknown, although several theories about its pathogenesis have been proposed. These…
